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<!-- NLM Medline DTD
This is the DTD which NLM has written for External Use.
If you are a data Licensee, use the information
from the MedlineCitation Set.
Comments and suggestions are welcome.
November 1, 2001
-->
<!-- ================================================================= -->
<!-- NLM Medline DTD -->
<!-- Typical usage:
<!DOCTYPE MedlineCitationSet PUBLIC "-//NLM//DTD NLM//EN">
-->
<!-- ================================================================= -->
<!-- Revision Notes Section
The following changes were made in the nlmmedline_011101.dtd:
a. Made MedlineID optional
The following changes were made in the nlmmedline_010319.dtd:
a. The entity reference changed to:
nlmmedlinecitation_010322.dtd.
b. Added PMID entity
c. The entity reference changed back to
nlmmedlinecitation_010319.dtd.
d. Added GrantID, Agency, Acronym entity references
e. Added MedlineID entity
-->
<!-- ================================================================= -->
<!ENTITY % ArticleTitle.Ref "ArticleTitle">
<!ENTITY % ISSN.Ref "ISSN?">
<!ENTITY % DateCreated.Ref "DateCreated">
<!ENTITY % PubDate.Ref "PubDate">
<!ENTITY % PMID.Ref "PMID">
<!ENTITY % MedlineID.Ref "MedlineID?">
<!ENTITY % GrantID.Ref "GrantID?">
<!ENTITY % Agency.Ref "Agency">
<!ENTITY % Acronym.Ref "Acronym?">
<!-- ================================================================= -->
<!-- Reference to Where the NLM MedlineCitation DTD is located -->
<!ENTITY % MedlineCitation PUBLIC "-//NLM//DTD MedlineCitation, 1st November 2001//EN"
"nlmmedlinecitation_011101.dtd" >
%MedlineCitation;
<!-- ================================================================= -->
<!ELEMENT MedlineCitationSet (MedlineCitation*, DeleteCitation?)>
<!ELEMENT DeleteCitation (MedlineID+ | PMID+)>
<!-- ================================================================= -->
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