title: THE DEVELOPMENT OF OUTFLOW TRACT OBSTRUCTION OF THE LEFT VENTRICLE IN IDIOPATHIC MYOCARDIAL HYPERTROPHY.
mesh_terms: D000790:Angiocardiography; D001024:Aortic Valve Stenosis; D006332:Cardiomegaly; D002648:Child; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006352:Heart Ventricles; D006801:Humans; D013902:Radiography, Thoracic
keywords: ANGIOCARDIOGRAPHY; AORTIC VALVE STENOSIS; CHILD; ELECTROCARDIOGRAPHY; HEART DEFECTS, CONGENITAL; HEART ENLARGEMENT; THORACIC RADIOGRAPHY