title: [FREQUENCY ANALYSIS OF HEART SOUNDS WITH A NEW HEART SOUND SPECTROGRAPH].
mesh_terms: D003937:Diagnosis, Differential; D004864:Equipment and Supplies; D006321:Heart; D006331:Heart Diseases; D006347:Heart Sounds; D006801:Humans; D008171:Lung Diseases; D010701:Phonocardiography; D013018:Sound Spectrography
keywords: DIAGNOSIS, DIFFERENTIAL; EQUIPMENT AND SUPPLIES; HEART DISEASES; LUNG DISEASES; PHONOCARDIOGRAPHY
vernacular_title: FREQUENZANALYSEN VON HERZTOENEN MIT EINEM NEUEN HERZTONSPEKTROGRAPHEN.