title: Treatment of needle tracks in drug addicts.
mesh_terms: D002921:Cicatrix / Q000209:etiology / Q000628:therapy*; D003932:Heroin; D006801:Humans; D007275:Injections, Intravenous / Q000009:adverse effects*; D009021:Morphine Dependence / Q000534:rehabilitation; D019966:Substance-Related Disorders / Q000534:rehabilitation*
chemical_list: D003932:Heroin