title: MOLECULAR EPIDEMIOLOGY. HIV family trees reveal viral spread.
authors.forename: Jon
authors.initials: J
authors.lastname: Cohen
mesh_terms: D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission* / Q000821:virology; D015497:HIV-1 / Q000235:genetics* / Q000302:isolation & purification / Q000502:physiology; D006716:Homosexuality; D006801:Humans; D017720:Molecular Epidemiology; D010375:Pedigree; D012306:Risk