title: Critical incident due to a corroded expiratory valve.
authors: G P
authors: GP
authors: Thorning
authors: C B
authors: CB
authors: Groba
mesh_terms: D000764:Anesthesia, Closed-Circuit / Q000295:instrumentation*; D004868:Equipment Failure; D004869:Equipment Safety; D006801:Humans; D012121:Respiration, Artificial / Q000295:instrumentation