Study of a new inhaler (Penhalor) for obstetrical analgesia.
D000293:Adolescent; D000328:Adult; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D000773:Anesthesia, Obstetrical / Q000295:instrumentation*; D001034:Apgar Score; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008722:Methods; D008733:Methoxyflurane / Q000009:adverse effects; D010100:Oxygen / Q000097:blood; D011247:Pregnancy; D013997:Time Factors
D002245:Carbon Dioxide; D008733:Methoxyflurane; D010100:Oxygen