Phonocardiographic examination used in the mass examination of heart disease among the children.
D000293:Adolescent; D002648:Child; D005260:Female; D006326:Heart Auscultation; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D007564:Japan; D008297:Male; D008403:Mass Screening; D010701:Phonocardiography