title: Alprazolam abuse during methadone maintenance therapy.
mesh_terms: D000525:Alprazolam; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009293:Opioid-Related Disorders / Q000534:rehabilitation; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D008691:Methadone; D000525:Alprazolam