[Pulsed Doppler 2-dimensional echocardiography in the differential diagnosis of precordial biphasic murmurs].
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D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004452:Echocardiography; D005260:Female; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006337:Heart Murmurs; D006801:Humans; D007223:Infant; D008297:Male; D012189:Retrospective Studies