[ANALYTICAL STUDIES OF AMPLITUDE-TIME AND FREQUENCY OF THE 1ST HEART TONE. A CONTRIBUTION TO ITS ORIGIN].
D006321:Heart; D006801:Humans; D008946:Mitral Valve Stenosis; D010701:Phonocardiography
MITRAL VALVE STENOSIS; PHONOCARDIOGRAPHY
AMPLITUDEN-ZEITANALYTISCHE UND FREQUENZANALYTISCHE UNTERSUCHUNGEN DES ERSTEN HERZTONES. EIN BEITRAG ZU SEINER GENESE.