title: The serial passage theory of HIV emergence.
authors.forename: Preston A
authors.initials: PA
authors.lastname: Marx
authors.forename: Ernest M
authors.initials: EM
authors.lastname: Drucker
authors.forename: William H
authors.initials: WH
authors.lastname: Schneider
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D006678:HIV / Q000254:growth & development / Q000472:pathogenicity*; D015658:HIV Infections / Q000635:transmission* / Q000821:virology*; D000882:Haplorhini; D006801:Humans; D012692:Serial Passage; D016097:Simian Acquired Immunodeficiency Syndrome / Q000635:transmission* / Q000821:virology*