title: In reply.
authors.affiliation: Austin Hospital and University of Melbourne, Melbourne, Australia (P.J.P.). phil.peyton@austin.org.au.
authors.forename: Philip J
authors.initials: PJ
authors.lastname: Peyton
authors.forename: Christine Yx
authors.initials: CY
authors.lastname: Wu
mesh_terms: D018685:Anesthetics, Inhalation / Q000008:administration & dosage* / Q000009:adverse effects*; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage* / Q000009:adverse effects*; D020250:Postoperative Nausea and Vomiting / Q000139:chemically induced* / Q000175:diagnosis*
chemical_list: D018685:Anesthetics, Inhalation; D009609:Nitrous Oxide