List of field names (PubMed) [SI] accession number [AD] affiliation (authors' addresses) or grant number [PG] article no. or first page no. [PT] article type [AU] authors' names [TIAB] citation + abstract [DP] date of publication [IP] issue [TA] journal title or abbreviation or ISSN [LA] language [MAJR] MeSH major topic [SH] MeSH subheading [MH] MeSH terms [PS] personal name as subject [RN] registry number (EC,CAS) [NM] substance name [TI] title [TW] title + abstract + MeSH terms + MeSH subheading + substance name + personal name as subject + accession number [UID] unique identifier (PubMed ID, Medline ID) [VI] volume