title: A hazardous sigh.
authors.forename: P G
authors.initials: PG
authors.lastname: Beahan
mesh_terms: D000768:Anesthesia, General / Q000295:instrumentation*; D004869:Equipment Safety; D006801:Humans; D008176:Lung Volume Measurements; D013990:Tidal Volume; D012122:Ventilators, Mechanical