New approach to heart sound screening in children by analog-digital circuitry.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003201:Computers; D003202:Computers, Analog; D006326:Heart Auscultation / Q000295:instrumentation*; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D008403:Mass Screening