Historic Revision Notes for Previous Versions of NLMMedline DTD
The following changes were made.
The nlmmedline_090101.dtd used for the 2009 production year:
- Changed entity reference from "nlmmedlinecitation_080101.dtd" to: "nlmmedlinecitation_090101.dtd"
- Deleted entity NlmDcmsID.Ref and NlmDcmsID element
The nlmmedline_080101.dtd used for the 2008 production year:
- Changed entity reference from "nlmmedlinecitation_070101.dtd" to: "nlmmedlinecitation_080101.dtd"
The nlmmedline_070101.dtd used for the 2007 production year:
- Changed entity reference from "nlmmedlinecitation_060101.dtd" to: "nlmmedlinecitation_070101.dtd"
The nlmmedline_060101.dtd used for the 2006 production year:
- Changed entity reference from "nlmmedlinecitation_041101.dtd" to "nlmmedlinecitation_060101.dtd"
- Added PublicationType entity reference (this will have no impact on the exported MEDLINE/PubMed data)
The nlmmedline_041101.dtd used for the 2005 production year:
- Changed entity reference from "nlmmedlinecitation_031101.dtd" to: "nlmmedlinecitation_041101.dtd"
- Changed external entity from MedlineID.Ref to NlmDcmsID.Ref
The nlmmedline_031101.dtd used for the 2004 production year:
- Changed entity reference from "nlmmedlinecitation_021101.dtd" to: "nlmmedlinecitation_031101.dtd"
- Removed MedlineID from DeleteCitation.
- Entity list labeled 'external DTD entities'
- Alphabetized lists of external entities and elements
The nlmmedline_021101.dtd used for the 2003 production year:
- Changed "http://www.nlm.nih.gov/databases/dtd/nlmmedlinecitation_011101.dtd" to: "nlmmedlinecitation_021101.dtd"
NLM exports all attributes as physical data with the November 1, 2002 version of the NLMMedline DTD.
The nlmmedline_011101.dtd used for the 2002 production year:
- Made MedlineID optional
The nlmmedline_010319.dtd used for the 2001 production year:
- The entity reference changed to: nlmmedlinecitation_010322.dtd
- Added PMID entity
- The entity reference changed back to nlmmedlinecitation_010319.dtd
- Added GrantID, Agency, Acronym entity references
- Added MedlineID entity