title: "Quality of street heroin".
mesh_terms: D002855:Chromatography, Thin Layer; D003932:Heroin / Q000032:analysis*; D006556:Heroin Dependence; D006801:Humans; D010414:Pennsylvania; D011803:Quinine / Q000032:analysis
chemical_list: D003932:Heroin; D011803:Quinine