Breathing nitrous oxide during closure of the dura and cranium is not indicated.
D004388:Dura Mater / Q000601:surgery*; D006801:Humans; D007427:Intracranial Pressure; D009609:Nitrous Oxide / Q000008:administration & dosage*; D012886:Skull / Q000601:surgery*
D009609:Nitrous Oxide