Methadone in internal medicine.
D000698:Analgesia / Q000331:legislation & jurisprudence*; D000700:Analgesics / Q000331:legislation & jurisprudence*; D006801:Humans; D007388:Internal Medicine; D008691:Methadone; D010146:Pain; D059408:Pain Management
ANALGESIA AND ANALGESICS/legal aspects