title: [Value of echocardiography in assessment of the magnitude of left-to-right shunt in ventricular septal defect].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003326:Coronary Circulation; D004452:Echocardiography; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000503:physiopathology*; D006801:Humans; D008297:Male