[Low flow nitrous oxide anesthesia].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000397:Air Pollution / Q000517:prevention & control; D000769:Anesthesia, Inhalation / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D009609:Nitrous Oxide
D009609:Nitrous Oxide