The analgesic connection: the Nathan B. Eddy memorial lecture.
D000698:Analgesia; D002986:Clinical Trials as Topic; D004305:Dose-Response Relationship, Drug; D004311:Double-Blind Method; D006801:Humans; D007273:Injections, Intramuscular; D009019:Morphinans / Q000627:therapeutic use; D009020:Morphine / Q000008:administration & dosage / Q000627:therapeutic use; D009369:Neoplasms / Q000628:therapy; D010166:Palliative Care
D009019:Morphinans; D009020:Morphine; C046877:metopon