title: Nitrous oxide for labor pain: is it a laughing matter?
authors.affiliation: From the Department of Obstetrics, Gynecology & Reproductive Sciences, University of California at San Francisco, San Francisco, California; and Department of Anesthesiology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
authors.forename: Tekoa L
authors.initials: TL
authors.lastname: King
authors.forename: Cynthia A
authors.initials: CA
authors.lastname: Wong
mesh_terms: D018685:Anesthetics, Inhalation / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D048949:Labor Pain / Q000188:drug therapy*; D009609:Nitrous Oxide / Q000008:administration & dosage*; D059408:Pain Management / Q000379:methods*; D011247:Pregnancy
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide