title: A subtle break, a cause for variable end-tidal gas analysis.
authors.forename: S
authors.initials: S
authors.lastname: Webster
mesh_terms: D000769:Anesthesia, Inhalation / Q000295:instrumentation; D019296:Capnography / Q000295:instrumentation*; D004868:Equipment Failure; D006801:Humans; D017214:Laryngeal Masks; D013990:Tidal Volume / Q000502:physiology