title: The role of behavioral contingency management in drug abuse treatment.
mesh_terms: D001521:Behavior Therapy / Q000379:methods*; D003131:Combined Modality Therapy; D003216:Conditioning, Operant; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009293:Opioid-Related Disorders / Q000628:therapy; D012055:Reinforcement Schedule; D012646:Self Administration / Q000523:psychology; D012931:Social Environment; D019966:Substance-Related Disorders / Q000523:psychology / Q000628:therapy*
chemical_list: D008691:Methadone