Analgesic action of pethidine-levallorphan mixtures in man.
D000698:Analgesia; D000700:Analgesics; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D006801:Humans; D007977:Levallorphan; D008297:Male; D008614:Meperidine; D009020:Morphine / Q000037:antagonists & inhibitors*; D059408:Pain Management
D000700:Analgesics; D007977:Levallorphan; D009020:Morphine; D008614:Meperidine
MEPERIDINE/anesthesia and analgesia; MORPHINE/antagonists