title: Simian immunodeficiency viruses and their relationship to the human immunodeficiency viruses.
authors.affiliation: Department of Pathology, University of California, Davis.
authors.forename: M B
authors.initials: MB
authors.lastname: Gardner
authors.forename: P A
authors.initials: PA
authors.lastname: Luciw
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000209:etiology*; D000818:Animals; D005075:Biological Evolution; D005814:Genes, Viral; D015497:HIV-1 / Q000235:genetics; D015498:HIV-2 / Q000235:genetics; D006801:Humans; D008251:Macaca; D012192:Retroviridae Infections / Q000209:etiology*; D015302:Simian Immunodeficiency Virus / Q000235:genetics / Q000302:isolation & purification / Q000472:pathogenicity