[Mass screening for valvular incompetence of the heart and the application of a computer system (phonocardiography analyzer)].
D000293:Adolescent; D000328:Adult; D003202:Computers, Analog; D006326:Heart Auscultation; D006349:Heart Valve Diseases / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening; D010701:Phonocardiography