title: Prison rites: starting to inject inside.
authors.affiliation: MRC Biostatistics Unit, Cambridge.
authors.forename: S M
authors.initials: SM
authors.lastname: Gore
authors.forename: A G
authors.initials: AG
authors.lastname: Bird
authors.forename: A J
authors.initials: AJ
authors.lastname: Ross
mesh_terms: D015658:HIV Infections / Q000175:diagnosis*; D006801:Humans; D008297:Male; D011329:Prisoners / Q000706:statistics & numerical data*; D012307:Risk Factors; D012309:Risk-Taking; D012606:Scotland / Q000453:epidemiology; D015819:Substance Abuse, Intravenous / Q000453:epidemiology*