[Utilities-announce] PubMed E-Utilities DTD Update 2018

[utilities-announce at ncbi.nlm.nih.gov]

Dear NCBI PubMed E-Utilities Users,

We anticipate updating the PubMed E-Utilities DTD for 2018 in late November, approximately November 27, 2017.

The forthcoming DTD is now available:

http://dtd.nlm.nih.gov/ncbi/pubmed/out/pubmed_180101.dtd

The following describes the substantive changes to PubMed DTD and PubMed XML:


  1.  The DateCreated element will be deleted.


  1.  The valid value Organism will be added to the Type attribute of the SuppleMeshName element.

DTD:
<!ELEMENT           SupplMeshName (#PCDATA) >
<!ATTLIST              SupplMeshName
                               Type (Disease | Protocol | Organism) #REQUIRED
                               UI CDATA #REQUIRED >


  1.  Change to baseline and update file names (ftp://ftp.ncbi.nlm.nih.gov/pubmed/baseline and ftp://ftp.ncbi.nlm.nih.gov/pubmed/updatefiles/):

Because NLM exports citations other than MEDLINE records, file names for the ftp server will be corrected beginning with the 2018 baseline.

     *   Baseline files will begin with pubmed18n0001.xml.gz
     *   Daily update files will continue with this naming convention: pubmed18nxxxx.xml.gz
     *   Associated .md5 files will follow this convention beginning with pubmed18n0001.xml.gz.md5
     *   Stats files will follow this convention beginning with pubmed18n0001_stats.html

Thank you,
PubMed Development Team


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