title: Drug abusers in prison.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control; D006296:Health Services; D006801:Humans; D011329:Prisoners; D019966:Substance-Related Disorders / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology; D014944:World Health Organization