Proposed upper limit of respiratory resistance for inhalation apparatus used in labour.
D000769:Anesthesia, Inhalation; D000773:Anesthesia, Obstetrical; D005260:Female; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage; D011247:Pregnancy; D011312:Pressure; D013147:Spirometry; D012122:Ventilators, Mechanical / Q000295:instrumentation*
D009609:Nitrous Oxide