title: Bovine visna virus and the origin of HIV.
authors.forename: J
authors.initials: J
authors.lastname: Grote
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000382:microbiology*; D000818:Animals; D002417:Cattle; D004340:Drug Contamination; D015498:HIV-2 / Q000302:isolation & purification; D006801:Humans; D014612:Vaccines / Q000592:standards; D014790:Visna-maedi virus / Q000302:isolation & purification*
chemical_list: D014612:Vaccines