PMID (PubMed ID) is the unique identifier for a publication's abstract in PubMed.
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PubMed and PubMed Central, produced by the U.S. National Library of Medicine, are text archives of biomedical and life sciences literature.
A DOI (Digital Object Identifier) is a publisher’s unique identifier for a publication. The prefix http://dx.doi.org/ is presumed. Publishers may charge for access.
Abhyankar S, Vreeman DJ, Westra BL, Delaney CW.Comments on the Use of LOINC and SNOMED CT for Representing Nursing Data [Letter]. Int J Nurs Knowl. 2017 Aug 30. doi: 10.1111/2047-3095.12183. [Epub ahead of print]
Bodenreider O.Evaluating the Quality and Interoperability of Biomedical Terminologies Technical Report to the LHNCBC Board of Scientific Counselors April 2018
Bodenreider O, Winnenburg R.Drug Terminology and Ontology Integration -- Dissemination, Quality Assurance and Applications. September 2014 Technical Report to the LHNCBC Board of Scientific Counselors.
Bodenreider O, Rindflesch TC.Advanced Library Services: Developing a Biomedical Knowledge Repository to Support Advanced Information Management Applications September 2006 Technical Report to the LHNCBC Board of Scientific Counselors.