title: The injection of crack cocaine among Chicago drug users.
authors.forename: W A
authors.initials: WA
authors.lastname: Johnson
authors.forename: L J
authors.initials: LJ
authors.lastname: Ouellet
mesh_terms: D001741:Black or African American; D002641:Chicago; D016578:Crack Cocaine; D006801:Humans; D015819:Substance Abuse, Intravenous / Q000208:ethnology
chemical_list: D016578:Crack Cocaine