[Evaluation of the recording method of phonocardiogram. Use of a simultaneous and multi-filter recording system].
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010701:Phonocardiography