title: Ordinary strangers. Mr. Clean, Lady Goodwill, and other folks at TPAN's needle exchange.
authors.forename: Derek
authors.initials: D
authors.lastname: Worley
mesh_terms: D000288:Administrative Personnel; D002641:Chicago; D015658:HIV Infections / Q000517:prevention & control; D006526:Hepatitis C / Q000517:prevention & control; D006801:Humans; D018671:Needle-Exchange Programs