. . . . . . . . . . . . "[CA19-9 was positive in the ductal adenocarcinoma, and prostate-specific antigen was positive in the conventional well-differentiated adenocarcinoma; after surgery, the level of serum CA19-9 was normalized.[ CA19-9]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:32:59+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .