title: Sex acts and sex partners.
authors.forename: G P
authors.initials: GP
authors.lastname: Garnett
authors.forename: J
authors.initials: J
authors.lastname: Swinton
authors.forename: G
authors.initials: G
authors.lastname: Parker
mesh_terms: D005260:Female; D015658:HIV Infections / Q000635:transmission*; D006801:Humans; D008297:Male; D012307:Risk Factors; D012725:Sexual Behavior / Q000706:statistics & numerical data; D012747:Sexual Partners