title: HIV and STD prevention update: perception of risk varies dramatically.
authors.forename: G S
authors.initials: GS
authors.lastname: Makulowich
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D005260:Female; D015658:HIV Infections / Q000453:epidemiology / Q000517:prevention & control*; D015438:Health Behavior; D006266:Health Education / Q000458:organization & administration*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D017678:Sex Distribution; D012749:Sexually Transmitted Diseases / Q000453:epidemiology / Q000517:prevention & control; D014481:United States