title: Nontransmission of HIV: a multifactorial phenomenon.
authors.forename: P L
authors.initials: PL
authors.lastname: Vernazza
authors.forename: R
authors.initials: R
authors.lastname: Grunow
authors.forename: J R
authors.initials: JR
authors.lastname: Dyer
authors.forename: W
authors.initials: W
authors.lastname: Pichler
mesh_terms: D018791:CD4 Lymphocyte Count; D005260:Female; D015658:HIV Infections / Q000276:immunology / Q000635:transmission*; D006801:Humans; D007113:Immunity, Innate; D008214:Lymphocytes / Q000821:virology; D008297:Male; D012661:Semen / Q000821:virology; D012747:Sexual Partners