title: How to ... administer Entonox.
authors.forename: Anna
authors.initials: A
authors.lastname: Lyons
mesh_terms: D019162:Anesthetics, Combined / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D048949:Labor Pain / Q000188:drug therapy*; D009609:Nitrous Oxide / Q000008:administration & dosage* / Q000009:adverse effects; D009721:Nurse Midwives; D010100:Oxygen / Q000008:administration & dosage* / Q000009:adverse effects; D011247:Pregnancy
chemical_list: D019162:Anesthetics, Combined; C001147:Entonox; D009609:Nitrous Oxide; D010100:Oxygen