Effect of levallorphan tartrate on levorphanol tartrate analgesia in postoperative patients.
D000698:Analgesia; D007977:Levallorphan; D007981:Levorphanol; D009022:Morphine Derivatives; D059408:Pain Management; D013644:Tartrates; D013909:Thorax / Q000601:surgery*
D009022:Morphine Derivatives; D013644:Tartrates; D007981:Levorphanol; D007977:Levallorphan
MORPHINE/related compounds; THORAX/surgery