title: Voluntary versus prescribed termination of methadone maintenance.
mesh_terms: D000328:Adult; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage* / Q000627:therapeutic use; D010352:Patient Dropouts; D019966:Substance-Related Disorders / Q000534:rehabilitation*; D013997:Time Factors
chemical_list: D008691:Methadone