An evaluation of the respiratory and sedative effects of meperidine hydrochloride combined with levallorphan tartrate in postoperative patients.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D006801:Humans; D006993:Hypnotics and Sedatives; D007977:Levallorphan; D008614:Meperidine; D009020:Morphine / Q000037:antagonists & inhibitors*; D059408:Pain Management; D012119:Respiration / Q000187:drug effects*; D013644:Tartrates
D006993:Hypnotics and Sedatives; D013644:Tartrates; D007977:Levallorphan; D009020:Morphine; D008614:Meperidine
MEPERIDINE/anesthesia and analgesia; MORPHINE/antagonists; RESPIRATION/effect of drugs on