title: Entonox-isoflurane for analgesia in labour.
authors.forename: W M
authors.initials: WM
authors.lastname: Woodward
mesh_terms: D016362:Analgesia, Obstetrical; D003696:Delivery Rooms; D004338:Drug Combinations; D005260:Female; D006801:Humans; D007530:Isoflurane; D009609:Nitrous Oxide; D016273:Occupational Exposure; D010100:Oxygen; D011247:Pregnancy
chemical_list: D004338:Drug Combinations; C001147:Entonox; D007530:Isoflurane; D009609:Nitrous Oxide; D010100:Oxygen