title: [Intraoperative monitoring of heart sounds in children by means of a praecordial stethoscope. I. Experimental studies on the physical qualities of various stethoscope heads].
mesh_terms: D000162:Acoustics; D000367:Age Factors; D000768:Anesthesia, General; D002648:Child; D004864:Equipment and Supplies / Q000592:standards*; D006321:Heart / Q000502:physiology; D006326:Heart Auscultation / Q000295:instrumentation*; D006801:Humans
vernacular_title: Die intraoperative Uberwachung der kindlichen Herztöne mit Hilfe des opräcordialen Stethoskops. I. Experimentelle Untersuchungen zu den physikalischen Qualitäten verschiedener Stethoskopköpfe.