title: HIV optimism does not explain increases in high-risk sexual behaviour among gay men in Scotland.
authors.forename: Lisa M
authors.initials: LM
authors.lastname: Williamson
authors.forename: Graham J
authors.initials: GJ
authors.lastname: Hart
mesh_terms: D023241:Antiretroviral Therapy, Highly Active; D001290:Attitude; D003430:Cross-Sectional Studies; D015658:HIV Infections / Q000188:drug therapy / Q000517:prevention & control / Q000523:psychology*; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D012309:Risk-Taking; D012606:Scotland