title: Phonocardiographic recording from the trachea: use of a special endotracheal tube.
authors.affiliation: Department of General Anesthesiology Cleveland Clinic Foundation Cleveland, OH.
authors.forename: D John
authors.initials: DJ
authors.lastname: Doyle
mesh_terms: D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D010701:Phonocardiography / Q000295:instrumentation*; D011175:Positive-Pressure Respiration; D014132:Trachea / Q000502:physiology*