title: High-risk drug practices tighten grip on London gay scene.
authors: Tony
authors: T
authors: Kirby
authors: Michelle
authors: M
authors: Thornber-Dunwell
mesh_terms: D019969:Amphetamine-Related Disorders / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology; D018451:Homosexuality, Male / Q000523:psychology*; D006801:Humans; D008131:London / Q000453:epidemiology; D008297:Male; D008694:Methamphetamine; D012309:Risk-Taking; D016320:Substance Abuse Treatment Centers; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D008694:Methamphetamine