. . . . . . . . . . . . "[HDV is a defective RNA virus related to viroids that encodes a capsid antigen, delta antigen, and requires the envelope protein of HBV (HBsAg) for its propagation.]. 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 . "2016-05-13T12:51:52+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .