Supplementation of nitrous oxide anesthesia with opiates and a new opiate antagonist.
D000698:Analgesia; D000758:Anesthesia; D000760:Anesthesia and Analgesia; D009022:Morphine Derivatives; D009609:Nitrous Oxide; D059408:Pain Management; D012119:Respiration / Q000187:drug effects*
D009022:Morphine Derivatives; D009609:Nitrous Oxide
MORPHINE/derivatives; NITROUS OXIDE/anesthesia and analgesia; RESPIRATION/effect of drugs on