<schema
xmlns='http://www.w3.org/2001/XMLSchema'
targetNamespace='http://www.w3.org/namespace/'
xmlns:t='http://www.w3.org/namespace/'>
<element name='PubmedArticleSet'>
<complexType>
<sequence>
<choice maxOccurs='unbounded'>
<element ref='t:PubmedArticle'/>
<element ref='t:PubmedBookArticle'/>
</choice>
<element ref='t:DeleteCitation' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='BookDocumentSet'>
<complexType>
<sequence>
<element ref='t:BookDocument' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:DeleteDocument' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='PubmedBookArticleSet'>
<complexType>
<sequence>
<element ref='t:PubmedBookArticle' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='PubmedArticle'>
<complexType>
<sequence>
<element ref='t:MedlineCitation'/>
<element ref='t:PubmedData' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='PubmedBookArticle'>
<complexType>
<sequence>
<element ref='t:BookDocument'/>
<element ref='t:PubmedBookData' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='BookDocument'>
<complexType>
<sequence>
<element ref='t:PMID'/>
<element ref='t:ArticleIdList'/>
<element ref='t:Book'/>
<element ref='t:LocationLabel' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:ArticleTitle' minOccurs='0' maxOccurs='1'/>
<element ref='t:VernacularTitle' minOccurs='0' maxOccurs='1'/>
<element ref='t:Pagination' minOccurs='0' maxOccurs='1'/>
<element ref='t:Language' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:AuthorList' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:InvestigatorList' minOccurs='0' maxOccurs='1'/>
<element ref='t:PublicationType' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:Abstract' minOccurs='0' maxOccurs='1'/>
<element ref='t:Sections' minOccurs='0' maxOccurs='1'/>
<element ref='t:KeywordList' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:ContributionDate' minOccurs='0' maxOccurs='1'/>
<element ref='t:DateRevised' minOccurs='0' maxOccurs='1'/>
<element ref='t:GrantList' minOccurs='0' maxOccurs='1'/>
<element ref='t:ItemList' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:ReferenceList' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='DeleteCitation'>
<complexType>
<sequence>
<element ref='t:PMID' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='DeleteDocument'>
<complexType>
<sequence>
<element ref='t:PMID' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='MedlineCitation'>
<complexType>
<sequence>
<element ref='t:PMID'/>
<element ref='t:DateCompleted' minOccurs='0' maxOccurs='1'/>
<element ref='t:DateRevised' minOccurs='0' maxOccurs='1'/>
<element ref='t:Article'/>
<element ref='t:MedlineJournalInfo'/>
<element ref='t:ChemicalList' minOccurs='0' maxOccurs='1'/>
<element ref='t:SupplMeshList' minOccurs='0' maxOccurs='1'/>
<element ref='t:CitationSubset' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:CommentsCorrectionsList' minOccurs='0' maxOccurs='1'/>
<element ref='t:GeneSymbolList' minOccurs='0' maxOccurs='1'/>
<element ref='t:MeshHeadingList' minOccurs='0' maxOccurs='1'/>
<element ref='t:NumberOfReferences' minOccurs='0' maxOccurs='1'/>
<element ref='t:PersonalNameSubjectList' minOccurs='0' maxOccurs='1'/>
<element ref='t:OtherID' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:OtherAbstract' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:KeywordList' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:CoiStatement' minOccurs='0' maxOccurs='1'/>
<element ref='t:SpaceFlightMission' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:InvestigatorList' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:GeneralNote' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
<attribute name='Owner' default='NLM'>
<simpleType>
<restriction base='string'>
<enumeration value='NLM'/>
<enumeration value='NASA'/>
<enumeration value='PIP'/>
<enumeration value='KIE'/>
<enumeration value='HSR'/>
<enumeration value='HMD'/>
<enumeration value='NOTNLM'/>
</restriction>
</simpleType>
</attribute>
<attribute name='Status' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='Completed'/>
<enumeration value='In-Process'/>
<enumeration value='PubMed-not-MEDLINE'/>
<enumeration value='In-Data-Review'/>
<enumeration value='Publisher'/>
<enumeration value='MEDLINE'/>
<enumeration value='OLDMEDLINE'/>
</restriction>
</simpleType>
</attribute>
<attribute name='VersionID' type='string' use='optional'/>
<attribute name='VersionDate' type='string' use='optional'/>
<attribute name='IndexingMethod' type='string' use='optional'/>
</complexType>
</element>
<element name='PubmedData'>
<complexType>
<sequence>
<element ref='t:History' minOccurs='0' maxOccurs='1'/>
<element ref='t:PublicationStatus'/>
<element ref='t:ArticleIdList'/>
<element ref='t:ObjectList' minOccurs='0' maxOccurs='1'/>
<element ref='t:ReferenceList' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='PubmedBookData'>
<complexType>
<sequence>
<element ref='t:History' minOccurs='0' maxOccurs='1'/>
<element ref='t:PublicationStatus'/>
<element ref='t:ArticleIdList'/>
<element ref='t:ObjectList' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='Article'>
<complexType>
<sequence>
<element ref='t:Journal'/>
<element ref='t:ArticleTitle'/>
<choice>
<sequence>
<element ref='t:Pagination'/>
<element ref='t:ELocationID' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
<element ref='t:ELocationID' maxOccurs='unbounded'/>
</choice>
<element ref='t:Abstract' minOccurs='0' maxOccurs='1'/>
<element ref='t:AuthorList' minOccurs='0' maxOccurs='1'/>
<element ref='t:Language' maxOccurs='unbounded'/>
<element ref='t:DataBankList' minOccurs='0' maxOccurs='1'/>
<element ref='t:GrantList' minOccurs='0' maxOccurs='1'/>
<element ref='t:PublicationTypeList'/>
<element ref='t:VernacularTitle' minOccurs='0' maxOccurs='1'/>
<element ref='t:ArticleDate' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
<attribute name='PubModel' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='Print'/>
<enumeration value='Print-Electronic'/>
<enumeration value='Electronic'/>
<enumeration value='Electronic-Print'/>
<enumeration value='Electronic-eCollection'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='Abstract'>
<complexType>
<sequence>
<element ref='t:AbstractText' maxOccurs='unbounded'/>
<element ref='t:CopyrightInformation' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='AbstractText'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
<element ref='t:DispFormula'/>
</choice>
<attribute name='Label' type='string' use='optional'/>
<attribute name='NlmCategory' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='BACKGROUND'/>
<enumeration value='OBJECTIVE'/>
<enumeration value='METHODS'/>
<enumeration value='RESULTS'/>
<enumeration value='CONCLUSIONS'/>
<enumeration value='UNASSIGNED'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='AccessionNumber'>
<complexType mixed='true'>
</complexType>
</element>
<element name='AccessionNumberList'>
<complexType>
<sequence>
<element ref='t:AccessionNumber' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='Acronym'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Affiliation'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='AffiliationInfo'>
<complexType>
<sequence>
<element ref='t:Affiliation'/>
<element ref='t:Identifier' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='Agency'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ArticleDate'>
<complexType>
<sequence>
<element ref='t:Year'/>
<element ref='t:Month'/>
<element ref='t:Day'/>
</sequence>
<attribute name='DateType' type='string' fixed='Electronic'/>
</complexType>
</element>
<element name='ArticleId'>
<complexType mixed='true'>
<attribute name='IdType' default='pubmed'>
<simpleType>
<restriction base='string'>
<enumeration value='doi'/>
<enumeration value='pii'/>
<enumeration value='pmcpid'/>
<enumeration value='pmpid'/>
<enumeration value='pmc'/>
<enumeration value='mid'/>
<enumeration value='sici'/>
<enumeration value='pubmed'/>
<enumeration value='medline'/>
<enumeration value='pmcid'/>
<enumeration value='pmcbook'/>
<enumeration value='bookaccession'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='ArticleIdList'>
<complexType>
<sequence>
<element ref='t:ArticleId' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='ArticleTitle'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='book' type='string' use='optional'/>
<attribute name='part' type='string' use='optional'/>
<attribute name='sec' type='string' use='optional'/>
</complexType>
</element>
<element name='Author'>
<complexType>
<sequence>
<choice>
<sequence>
<element ref='t:LastName'/>
<element ref='t:ForeName' minOccurs='0' maxOccurs='1'/>
<element ref='t:Initials' minOccurs='0' maxOccurs='1'/>
<element ref='t:Suffix' minOccurs='0' maxOccurs='1'/>
</sequence>
<element ref='t:CollectiveName'/>
</choice>
<element ref='t:Identifier' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:AffiliationInfo' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
<attribute name='ValidYN' default='Y'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
<attribute name='EqualContrib' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='AuthorList'>
<complexType>
<sequence>
<element ref='t:Author' maxOccurs='unbounded'/>
</sequence>
<attribute name='CompleteYN' default='Y'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
<attribute name='Type' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='authors'/>
<enumeration value='editors'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='b'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='BeginningDate'>
<complexType>
<sequence>
<element ref='t:Year'/>
<choice minOccurs='0' maxOccurs='1'>
<sequence>
<element ref='t:Month'/>
<element ref='t:Day' minOccurs='0' maxOccurs='1'/>
</sequence>
<element ref='t:Season'/>
</choice>
</sequence>
</complexType>
</element>
<element name='Book'>
<complexType>
<sequence>
<element ref='t:Publisher'/>
<element ref='t:BookTitle'/>
<element ref='t:PubDate'/>
<element ref='t:BeginningDate' minOccurs='0' maxOccurs='1'/>
<element ref='t:EndingDate' minOccurs='0' maxOccurs='1'/>
<element ref='t:AuthorList' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:InvestigatorList' minOccurs='0' maxOccurs='1'/>
<element ref='t:Volume' minOccurs='0' maxOccurs='1'/>
<element ref='t:VolumeTitle' minOccurs='0' maxOccurs='1'/>
<element ref='t:Edition' minOccurs='0' maxOccurs='1'/>
<element ref='t:CollectionTitle' minOccurs='0' maxOccurs='1'/>
<element ref='t:Isbn' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:ELocationID' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:Medium' minOccurs='0' maxOccurs='1'/>
<element ref='t:ReportNumber' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='BookTitle'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='book' type='string' use='optional'/>
<attribute name='part' type='string' use='optional'/>
<attribute name='sec' type='string' use='optional'/>
</complexType>
</element>
<element name='Chemical'>
<complexType>
<sequence>
<element ref='t:RegistryNumber'/>
<element ref='t:NameOfSubstance'/>
</sequence>
</complexType>
</element>
<element name='ChemicalList'>
<complexType>
<sequence>
<element ref='t:Chemical' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='Citation'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='CitationSubset'>
<complexType mixed='true'>
</complexType>
</element>
<element name='CoiStatement'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='CollectionTitle'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='book' type='string' use='optional'/>
<attribute name='part' type='string' use='optional'/>
<attribute name='sec' type='string' use='optional'/>
</complexType>
</element>
<element name='CollectiveName'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='Investigators' type='IDREF' use='optional'/>
</complexType>
</element>
<element name='CommentsCorrections'>
<complexType>
<sequence>
<element ref='t:RefSource'/>
<element ref='t:PMID' minOccurs='0' maxOccurs='1'/>
<element ref='t:Note' minOccurs='0' maxOccurs='1'/>
</sequence>
<attribute name='RefType' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='AssociatedDataset'/>
<enumeration value='AssociatedPublication'/>
<enumeration value='CommentIn'/>
<enumeration value='CommentOn'/>
<enumeration value='CorrectedandRepublishedIn'/>
<enumeration value='CorrectedandRepublishedFrom'/>
<enumeration value='ErratumIn'/>
<enumeration value='ErratumFor'/>
<enumeration value='ExpressionOfConcernIn'/>
<enumeration value='ExpressionOfConcernFor'/>
<enumeration value='RepublishedIn'/>
<enumeration value='RepublishedFrom'/>
<enumeration value='RetractedandRepublishedIn'/>
<enumeration value='RetractedandRepublishedFrom'/>
<enumeration value='RetractionIn'/>
<enumeration value='RetractionOf'/>
<enumeration value='UpdateIn'/>
<enumeration value='UpdateOf'/>
<enumeration value='SummaryForPatientsIn'/>
<enumeration value='OriginalReportIn'/>
<enumeration value='ReprintIn'/>
<enumeration value='ReprintOf'/>
<enumeration value='Cites'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='CommentsCorrectionsList'>
<complexType>
<sequence>
<element ref='t:CommentsCorrections' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='ContractNumber'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ContributionDate'>
<complexType>
<sequence>
<element ref='t:Year'/>
<choice minOccurs='0' maxOccurs='1'>
<sequence>
<element ref='t:Month'/>
<element ref='t:Day' minOccurs='0' maxOccurs='1'/>
</sequence>
<element ref='t:Season'/>
</choice>
</sequence>
</complexType>
</element>
<element name='CopyrightInformation'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Country'>
<complexType mixed='true'>
</complexType>
</element>
<element name='DataBank'>
<complexType>
<sequence>
<element ref='t:DataBankName'/>
<element ref='t:AccessionNumberList' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='DataBankList'>
<complexType>
<sequence>
<element ref='t:DataBank' maxOccurs='unbounded'/>
</sequence>
<attribute name='CompleteYN' default='Y'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='DataBankName'>
<complexType mixed='true'>
</complexType>
</element>
<element name='DateCompleted'>
<complexType>
<sequence>
<element ref='t:Year'/>
<element ref='t:Month'/>
<element ref='t:Day'/>
</sequence>
</complexType>
</element>
<element name='DateRevised'>
<complexType>
<sequence>
<element ref='t:Year'/>
<element ref='t:Month'/>
<element ref='t:Day'/>
</sequence>
</complexType>
</element>
<element name='Day'>
<complexType mixed='true'>
</complexType>
</element>
<element name='DescriptorName'>
<complexType mixed='true'>
<attribute name='MajorTopicYN' default='N'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
<attribute name='AutoHM' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
</restriction>
</simpleType>
</attribute>
<attribute name='Type' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='Geographic'/>
</restriction>
</simpleType>
</attribute>
<attribute name='UI' type='string' use='required'/>
</complexType>
</element>
<element name='DispFormula'>
<complexType>
<sequence/>
</complexType>
</element>
<element name='Edition'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ELocationID'>
<complexType mixed='true'>
<attribute name='EIdType' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='doi'/>
<enumeration value='pii'/>
</restriction>
</simpleType>
</attribute>
<attribute name='ValidYN' default='Y'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='EndingDate'>
<complexType>
<sequence>
<element ref='t:Year'/>
<choice minOccurs='0' maxOccurs='1'>
<sequence>
<element ref='t:Month'/>
<element ref='t:Day' minOccurs='0' maxOccurs='1'/>
</sequence>
<element ref='t:Season'/>
</choice>
</sequence>
</complexType>
</element>
<element name='EndPage'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ForeName'>
<complexType mixed='true'>
</complexType>
</element>
<element name='GeneSymbol'>
<complexType mixed='true'>
</complexType>
</element>
<element name='GeneSymbolList'>
<complexType>
<sequence>
<element ref='t:GeneSymbol' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='GeneralNote'>
<complexType mixed='true'>
<attribute name='Owner' default='NLM'>
<simpleType>
<restriction base='string'>
<enumeration value='NLM'/>
<enumeration value='NASA'/>
<enumeration value='PIP'/>
<enumeration value='KIE'/>
<enumeration value='HSR'/>
<enumeration value='HMD'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='Grant'>
<complexType>
<sequence>
<element ref='t:GrantID' minOccurs='0' maxOccurs='1'/>
<element ref='t:Acronym' minOccurs='0' maxOccurs='1'/>
<element ref='t:Agency'/>
<element ref='t:Country' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='GrantID'>
<complexType mixed='true'>
</complexType>
</element>
<element name='GrantList'>
<complexType>
<sequence>
<element ref='t:Grant' maxOccurs='unbounded'/>
</sequence>
<attribute name='CompleteYN' default='Y'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='History'>
<complexType>
<sequence>
<element ref='t:PubMedPubDate' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='Hour'>
<complexType mixed='true'>
</complexType>
</element>
<element name='i'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='Identifier'>
<complexType mixed='true'>
<attribute name='Source' type='string' use='required'/>
</complexType>
</element>
<element name='Initials'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Investigator'>
<complexType>
<sequence>
<element ref='t:LastName'/>
<element ref='t:ForeName' minOccurs='0' maxOccurs='1'/>
<element ref='t:Initials' minOccurs='0' maxOccurs='1'/>
<element ref='t:Suffix' minOccurs='0' maxOccurs='1'/>
<element ref='t:Identifier' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:AffiliationInfo' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
<attribute name='ValidYN' default='Y'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='InvestigatorList'>
<complexType>
<sequence>
<element ref='t:Investigator' maxOccurs='unbounded'/>
</sequence>
<attribute name='ID' type='ID' use='optional'/>
</complexType>
</element>
<element name='Isbn'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ISOAbbreviation'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ISSN'>
<complexType mixed='true'>
<attribute name='IssnType' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='Electronic'/>
<enumeration value='Print'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='ISSNLinking'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Issue'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Item'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ItemList'>
<complexType>
<sequence>
<element ref='t:Item' maxOccurs='unbounded'/>
</sequence>
<attribute name='ListType' type='string' use='required'/>
</complexType>
</element>
<element name='Journal'>
<complexType>
<sequence>
<element ref='t:ISSN' minOccurs='0' maxOccurs='1'/>
<element ref='t:JournalIssue'/>
<element ref='t:Title' minOccurs='0' maxOccurs='1'/>
<element ref='t:ISOAbbreviation' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='JournalIssue'>
<complexType>
<sequence>
<element ref='t:Volume' minOccurs='0' maxOccurs='1'/>
<element ref='t:Issue' minOccurs='0' maxOccurs='1'/>
<element ref='t:PubDate'/>
</sequence>
<attribute name='CitedMedium' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='Internet'/>
<enumeration value='Print'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='Keyword'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='MajorTopicYN' default='N'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='KeywordList'>
<complexType>
<sequence>
<element ref='t:Keyword' maxOccurs='unbounded'/>
</sequence>
<attribute name='Owner' default='NLM'>
<simpleType>
<restriction base='string'>
<enumeration value='NLM'/>
<enumeration value='NLM-AUTO'/>
<enumeration value='NASA'/>
<enumeration value='PIP'/>
<enumeration value='KIE'/>
<enumeration value='NOTNLM'/>
<enumeration value='HHS'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='Language'>
<complexType mixed='true'>
</complexType>
</element>
<element name='LastName'>
<complexType mixed='true'>
</complexType>
</element>
<element name='LocationLabel'>
<complexType mixed='true'>
<attribute name='Type' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='part'/>
<enumeration value='chapter'/>
<enumeration value='section'/>
<enumeration value='appendix'/>
<enumeration value='figure'/>
<enumeration value='table'/>
<enumeration value='box'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='Medium'>
<complexType mixed='true'>
</complexType>
</element>
<element name='MedlineDate'>
<complexType mixed='true'>
</complexType>
</element>
<element name='MedlineJournalInfo'>
<complexType>
<sequence>
<element ref='t:Country' minOccurs='0' maxOccurs='1'/>
<element ref='t:MedlineTA'/>
<element ref='t:NlmUniqueID' minOccurs='0' maxOccurs='1'/>
<element ref='t:ISSNLinking' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='MedlinePgn'>
<complexType mixed='true'>
</complexType>
</element>
<element name='MedlineTA'>
<complexType mixed='true'>
</complexType>
</element>
<element name='MeshHeading'>
<complexType>
<sequence>
<element ref='t:DescriptorName'/>
<element ref='t:QualifierName' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='MeshHeadingList'>
<complexType>
<sequence>
<element ref='t:MeshHeading' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='Minute'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Month'>
<complexType mixed='true'>
</complexType>
</element>
<element name='NameOfSubstance'>
<complexType mixed='true'>
<attribute name='UI' type='string' use='required'/>
</complexType>
</element>
<element name='NlmUniqueID'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Note'>
<complexType mixed='true'>
</complexType>
</element>
<element name='NumberOfReferences'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Object'>
<complexType>
<sequence>
<element ref='t:Param' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
<attribute name='Type' type='string' use='required'/>
</complexType>
</element>
<element name='ObjectList'>
<complexType>
<sequence>
<element ref='t:Object' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='OtherAbstract'>
<complexType>
<sequence>
<element ref='t:AbstractText' maxOccurs='unbounded'/>
<element ref='t:CopyrightInformation' minOccurs='0' maxOccurs='1'/>
</sequence>
<attribute name='Type' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='AAMC'/>
<enumeration value='AIDS'/>
<enumeration value='KIE'/>
<enumeration value='PIP'/>
<enumeration value='NASA'/>
<enumeration value='Publisher'/>
<enumeration value='plain-language-summary'/>
</restriction>
</simpleType>
</attribute>
<attribute name='Language' type='string' default='eng'/>
</complexType>
</element>
<element name='OtherID'>
<complexType mixed='true'>
<attribute name='Source' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='NASA'/>
<enumeration value='KIE'/>
<enumeration value='PIP'/>
<enumeration value='POP'/>
<enumeration value='ARPL'/>
<enumeration value='CPC'/>
<enumeration value='IND'/>
<enumeration value='CPFH'/>
<enumeration value='CLML'/>
<enumeration value='NRCBL'/>
<enumeration value='NLM'/>
<enumeration value='QCIM'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='PMID'>
<complexType mixed='true'>
<attribute name='Version' type='string' use='required'/>
</complexType>
</element>
<element name='Pagination'>
<complexType>
<choice>
<sequence>
<element ref='t:StartPage'/>
<element ref='t:EndPage' minOccurs='0' maxOccurs='1'/>
<element ref='t:MedlinePgn' minOccurs='0' maxOccurs='1'/>
</sequence>
<element ref='t:MedlinePgn'/>
</choice>
</complexType>
</element>
<element name='Param'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='Name' type='string' use='required'/>
</complexType>
</element>
<element name='PersonalNameSubject'>
<complexType>
<sequence>
<element ref='t:LastName'/>
<element ref='t:ForeName' minOccurs='0' maxOccurs='1'/>
<element ref='t:Initials' minOccurs='0' maxOccurs='1'/>
<element ref='t:Suffix' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='PersonalNameSubjectList'>
<complexType>
<sequence>
<element ref='t:PersonalNameSubject' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='PubDate'>
<complexType>
<choice>
<sequence>
<element ref='t:Year'/>
<choice minOccurs='0' maxOccurs='1'>
<sequence>
<element ref='t:Month'/>
<element ref='t:Day' minOccurs='0' maxOccurs='1'/>
</sequence>
<element ref='t:Season'/>
</choice>
</sequence>
<element ref='t:MedlineDate'/>
</choice>
</complexType>
</element>
<element name='PublicationStatus'>
<complexType mixed='true'>
</complexType>
</element>
<element name='PublicationType'>
<complexType mixed='true'>
<attribute name='UI' type='string' use='required'/>
</complexType>
</element>
<element name='PublicationTypeList'>
<complexType>
<sequence>
<element ref='t:PublicationType' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='PubMedPubDate'>
<complexType>
<sequence>
<element ref='t:Year'/>
<element ref='t:Month'/>
<element ref='t:Day'/>
<sequence minOccurs='0' maxOccurs='1'>
<element ref='t:Hour'/>
<sequence minOccurs='0' maxOccurs='1'>
<element ref='t:Minute'/>
<element ref='t:Second' minOccurs='0' maxOccurs='1'/>
</sequence>
</sequence>
</sequence>
<attribute name='PubStatus' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='received'/>
<enumeration value='accepted'/>
<enumeration value='epublish'/>
<enumeration value='ppublish'/>
<enumeration value='revised'/>
<enumeration value='aheadofprint'/>
<enumeration value='retracted'/>
<enumeration value='ecollection'/>
<enumeration value='pmc'/>
<enumeration value='pmcr'/>
<enumeration value='pubmed'/>
<enumeration value='pubmedr'/>
<enumeration value='premedline'/>
<enumeration value='medline'/>
<enumeration value='medliner'/>
<enumeration value='entrez'/>
<enumeration value='pmc-release'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='Publisher'>
<complexType>
<sequence>
<element ref='t:PublisherName'/>
<element ref='t:PublisherLocation' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='PublisherLocation'>
<complexType mixed='true'>
</complexType>
</element>
<element name='PublisherName'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='QualifierName'>
<complexType mixed='true'>
<attribute name='AutoHM' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
</restriction>
</simpleType>
</attribute>
<attribute name='MajorTopicYN' default='N'>
<simpleType>
<restriction base='string'>
<enumeration value='Y'/>
<enumeration value='N'/>
</restriction>
</simpleType>
</attribute>
<attribute name='UI' type='string' use='required'/>
</complexType>
</element>
<element name='Reference'>
<complexType>
<sequence>
<element ref='t:Citation'/>
<element ref='t:ArticleIdList' minOccurs='0' maxOccurs='1'/>
</sequence>
</complexType>
</element>
<element name='ReferenceList'>
<complexType>
<sequence>
<element ref='t:Title' minOccurs='0' maxOccurs='1'/>
<element ref='t:Reference' minOccurs='0' maxOccurs='unbounded'/>
<element ref='t:ReferenceList' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='RefSource'>
<complexType mixed='true'>
</complexType>
</element>
<element name='RegistryNumber'>
<complexType mixed='true'>
</complexType>
</element>
<element name='ReportNumber'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Season'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Second'>
<complexType mixed='true'>
</complexType>
</element>
<element name='Section'>
<complexType>
<sequence>
<element ref='t:LocationLabel' minOccurs='0' maxOccurs='1'/>
<element ref='t:SectionTitle'/>
<element ref='t:Section' minOccurs='0' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='Sections'>
<complexType>
<sequence>
<element ref='t:Section' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='SectionTitle'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
<attribute name='book' type='string' use='optional'/>
<attribute name='part' type='string' use='optional'/>
<attribute name='sec' type='string' use='optional'/>
</complexType>
</element>
<element name='SpaceFlightMission'>
<complexType mixed='true'>
</complexType>
</element>
<element name='StartPage'>
<complexType mixed='true'>
</complexType>
</element>
<element name='sub'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='Suffix'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='sup'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='SupplMeshList'>
<complexType>
<sequence>
<element ref='t:SupplMeshName' maxOccurs='unbounded'/>
</sequence>
</complexType>
</element>
<element name='SupplMeshName'>
<complexType mixed='true'>
<attribute name='Type' use='required'>
<simpleType>
<restriction base='string'>
<enumeration value='Disease'/>
<enumeration value='Protocol'/>
<enumeration value='Organism'/>
<enumeration value='Anatomy'/>
<enumeration value='Population'/>
</restriction>
</simpleType>
</attribute>
<attribute name='UI' type='string' use='required'/>
</complexType>
</element>
<element name='Title'>
<complexType mixed='true'>
</complexType>
</element>
<element name='u'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='URL'>
<complexType mixed='true'>
<attribute name='lang' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='AF'/>
<enumeration value='AR'/>
<enumeration value='AZ'/>
<enumeration value='BG'/>
<enumeration value='CS'/>
<enumeration value='DA'/>
<enumeration value='DE'/>
<enumeration value='EN'/>
<enumeration value='EL'/>
<enumeration value='ES'/>
<enumeration value='FA'/>
<enumeration value='FI'/>
<enumeration value='FR'/>
<enumeration value='HE'/>
<enumeration value='HU'/>
<enumeration value='HY'/>
<enumeration value='IN'/>
<enumeration value='IS'/>
<enumeration value='IT'/>
<enumeration value='IW'/>
<enumeration value='JA'/>
<enumeration value='KA'/>
<enumeration value='KO'/>
<enumeration value='LT'/>
<enumeration value='MK'/>
<enumeration value='ML'/>
<enumeration value='NL'/>
<enumeration value='NO'/>
<enumeration value='PL'/>
<enumeration value='PT'/>
<enumeration value='PS'/>
<enumeration value='RO'/>
<enumeration value='RU'/>
<enumeration value='SL'/>
<enumeration value='SK'/>
<enumeration value='SQ'/>
<enumeration value='SR'/>
<enumeration value='SV'/>
<enumeration value='SW'/>
<enumeration value='TH'/>
<enumeration value='TR'/>
<enumeration value='UK'/>
<enumeration value='VI'/>
<enumeration value='ZH'/>
</restriction>
</simpleType>
</attribute>
<attribute name='Type' use='optional'>
<simpleType>
<restriction base='string'>
<enumeration value='FullText'/>
<enumeration value='Summary'/>
<enumeration value='fulltext'/>
<enumeration value='summary'/>
</restriction>
</simpleType>
</attribute>
</complexType>
</element>
<element name='VernacularTitle'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='Volume'>
<complexType mixed='true'>
</complexType>
</element>
<element name='VolumeTitle'>
<complexType mixed='true'>
<choice minOccurs='0' maxOccurs='unbounded'>
<element ref='t:b'/>
<element ref='t:i'/>
<element ref='t:sup'/>
<element ref='t:sub'/>
<element ref='t:u'/>
</choice>
</complexType>
</element>
<element name='Year'>
<complexType mixed='true'>
</complexType>
</element>
</schema>