title: Behavioral aspects of sexually transmitted diseases: core groups and bridge populations.
authors.forename: S O
authors.initials: SO
authors.lastname: Aral
mesh_terms: D006801:Humans; D008297:Male; D009790:Occupations; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000517:prevention & control* / Q000635:transmission*; D012944:Social Support