title: Global sexual behaviour.
authors.forename: Helen
authors.initials: H
authors.lastname: Epstein
authors.forename: Daniel
authors.initials: D
authors.lastname: Halperin
mesh_terms: D000349:Africa / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission*; D006801:Humans; D011203:Poverty; D011477:Sex Work