VALUE OF PREMIXED NITROUS-OXIDE-AND-OXYGEN MIXTURES IN THE RELIEF OF POST-OPERATIVE PAIN. DOUBLE-BLIND TRIAL OF 25 PERCENT NITROUS OXIDE IN OXYGEN, 15 PERCENT NITROUS OXIDE IN OXYGEN, AND OXYGEN.
D000698:Analgesia; D035843:Biomedical Research; D004311:Double-Blind Method; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen; D010102:Oxygen Inhalation Therapy; D010146:Pain; D010149:Postoperative Pain; D011182:Postoperative Care; D011183:Postoperative Complications; D012129:Respiratory Function Tests; D013223:Statistics as Topic
D009609:Nitrous Oxide; D010100:Oxygen
ANALGESIA; CLINICAL RESEARCH; NITROUS OXIDE; OXYGEN INHALATION THERAPY; POSTOPERATIVE CARE; POSTOPERATIVE COMPLICATIONS; RESPIRATORY FUNCTION TESTS; STATISTICS