[1st experiences of simultaneous recording of phonocardiograms, precordial electrocardiograms and apicocardiograms by means of a unique new instrument].
D004562:Electrocardiography / Q000295:instrumentation*; D006321:Heart / Q000502:physiology; D006801:Humans; D008722:Methods; D010701:Phonocardiography / Q000295:instrumentation*
Prime esperienze di registrazione contemporanea fonocardiografica, elettrocardiografica precordiale e di un apicocardiogramma mediante un unico, nuovo accessorio.