title: Opinion leader interventions in social networks.
authors.forename: Thomas W
authors.initials: TW
authors.lastname: Valente
mesh_terms: D002031:Bulgaria; D015658:HIV Infections / Q000517:prevention & control; D006801:Humans; D008297:Male; D006178:Romani People; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*; D012944:Social Support; D047568:Unsafe Sex