. . . . . . . . . . . . "[The percent of positive hepatitis B surface antigen (HBsAg) was 87%, and the serum alpha-fetoprotein was less than 20 ng/ml in 30% in the group with symptoms.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:51:35+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .