title: Reducing the potential risk of cross-infection from Entonox equipment.
authors.forename: P J
authors.initials: PJ
authors.lastname: Bickford Smith
mesh_terms: D016362:Analgesia, Obstetrical / Q000295:instrumentation*; D003428:Cross Infection / Q000517:prevention & control*; D004203:Disinfection / Q000379:methods; D004867:Equipment Design; D006801:Humans; D012121:Respiration, Artificial / Q000295:instrumentation*