[Postoperative anesthesia (Preliminary report)].
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D000776:Anesthesiology; D006801:Humans; D009609:Nitrous Oxide; D059408:Pain Management; D011182:Postoperative Care
D009609:Nitrous Oxide
NITROUS OXIDE/anesthesia and analgesia; POSTOPERATIVE CARE