title: Why bleach? Development of a strategy to combat HIV contagion among San Francisco intravenous drug users.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D004203:Disinfection; D006801:Humans; D007275:Injections, Intravenous; D009339:Needles; D012307:Risk Factors; D012495:San Francisco; D013242:Sterilization; D019966:Substance-Related Disorders / Q000150:complications*