title: Contracting for treatment termination to reduce illicit drug use among methadone maintenance treatment failures.
mesh_terms: D000328:Adult; D001521:Behavior Therapy / Q000379:methods*; D005500:Follow-Up Studies; D006801:Humans; D013287:Illicit Drugs; D008297:Male; D008691:Methadone / Q000627:therapeutic use*; D008875:Middle Aged; D009293:Opioid-Related Disorders / Q000534:rehabilitation*; D004364:Pharmaceutical Preparations
chemical_list: D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; D008691:Methadone