CONGENITAL AORTIC STENOSIS. A SERIES OF SURGICAL CORRECTIONS.
D000293:Adolescent; D001024:Aortic Valve Stenosis; D044383:Black People; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures; D002648:Child; D013903:Thoracic Surgery
ADOLESCENCE; AORTIC VALVE STENOSIS; CHILD; HEART CATHETERIZATION; HEART SURGERY; NEGROES