[Prolonded analgesia with nitrous oxide in the closed chest trauma].
D000698:Analgesia; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage / Q000627:therapeutic use*; D012138:Respiratory Therapy; D013898:Thoracic Injuries / Q000188:drug therapy*; D013997:Time Factors
D009609:Nitrous Oxide
Dlitel'naia anal'geziia zakis'iu azota pri zakrytoĭ travme grudnoĭ kletki