SUBVALVULAR AORTIC STENOSIS: A MODIFICATION OF TECHNIQUE FOR CORRECTION.
D000293:Adolescent; D001018:Aortic Diseases; D001020:Aortic Stenosis, Subvalvular; D006348:Cardiac Surgical Procedures; D006332:Cardiomegaly; D002648:Child; D006321:Heart; D006331:Heart Diseases; D006354:Heart, Artificial; D013903:Thoracic Surgery
ADOLESCENCE; AORTIC DISEASES; CHILD; HEART DISEASES; HEART ENLARGEMENT; HEART SURGERY; HEART, MECHANICAL