title: Doppler echocardiographic assessment of cardiac output in normal children with and without innocent precordial murmurs.
mesh_terms: D002302:Cardiac Output; D002648:Child; D004452:Echocardiography; D005260:Female; D006326:Heart Auscultation; D006337:Heart Murmurs; D006801:Humans; D008297:Male; D012016:Reference Values