Defined in file pubmed.asn C++ class: CPubmed_entry Pubmed-entry ::= SEQUENCE { -- a PubMed entry -- PUBMED records must include the PubMedId pmid PubMedId, -- Medline entry information medent Medline-entry OPTIONAL, -- Publisher name publisher VisibleString OPTIONAL, -- List of URL to publisher cite urls SET OF Pubmed-url OPTIONAL, -- Publisher's article identifier pubid VisibleString OPTIONAL }