title: Pentazocine in methadone hydrochloride maintenance.
mesh_terms: D000208:Acute Disease; D000284:Administration, Oral; D006801:Humans; D007275:Injections, Intravenous; D008691:Methadone / Q000037:antagonists & inhibitors / Q000627:therapeutic use*; D010423:Pentazocine / Q000008:administration & dosage / Q000494:pharmacology; D013375:Substance Withdrawal Syndrome; D019966:Substance-Related Disorders / Q000188:drug therapy
chemical_list: D010423:Pentazocine; D008691:Methadone