Heart disease screening of school children--by using improved computer system for heart sound and electrocardiogram.
D000293:Adolescent; D002648:Child; D003201:Computers; D004374:Ductus Arteriosus, Patent / Q000453:epidemiology; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000453:epidemiology*; D006345:Heart Septal Defects, Ventricular / Q000453:epidemiology; D006801:Humans; D007564:Japan; D008297:Male; D008403:Mass Screening / Q000379:methods; D010701:Phonocardiography