. . . . . . . . . . . . "[Mutational studies on the Vif, Vpr, Vpu, Vpx, and Nef genes of human immunodeficiency virus types 1 and 2 (HIV-1 and HIV-2) were performed to evaluate their biological functions in natural target cells.]. 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 . "2016-05-13T12:52:08+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .