title: Raise the alarm.
authors.forename: S F
authors.initials: SF
authors.lastname: Campbell
authors.forename: W F S
authors.initials: WF
authors.lastname: Sellers
mesh_terms: D000764:Anesthesia, Closed-Circuit / Q000295:instrumentation*; D004869:Equipment Safety / Q000592:standards; D005062:European Union; D006801:Humans; D000860:Hypoxia / Q000517:prevention & control; D007431:Intraoperative Complications / Q000517:prevention & control; D010102:Oxygen Inhalation Therapy / Q000295:instrumentation*