The use of levo-dromoran tartrate (levorphan tartrate) for relief of postoperative pain.
D007981:Levorphanol; D009022:Morphine Derivatives; D059408:Pain Management; D010149:Postoperative Pain; D013644:Tartrates
D009022:Morphine Derivatives; D013644:Tartrates; D007981:Levorphanol; C029768:tartaric acid
MORPHINE/derivatives; PAIN/therapy