[Clinical significance of two-dimensional echocardiography in patients with membranous ventricular septal defect in childhood].
D000293:Adolescent; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011652:Pulmonary Circulation