title: Current status of nitrous oxide for obstetric pain relief.
authors.affiliation: Department of Anaesthesiology and Intensive Care, Karolinska Hospital, Stockholm, Sweden.
authors.forename: L
authors.initials: L
authors.lastname: Irestedt
mesh_terms: D016362:Analgesia, Obstetrical; D006801:Humans; D009609:Nitrous Oxide / Q000008:administration & dosage* / Q000009:adverse effects; D010100:Oxygen / Q000097:blood; D010147:Pain Measurement
chemical_list: D009609:Nitrous Oxide; D010100:Oxygen