TRANSATRIAL EXPOSURE FOR CORRECTION  OF SUBAORTIC  STENOSIS.
D000790:Angiocardiography; D001024:Aortic Valve Stenosis; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures; D003251:Constriction, Pathologic; D006321:Heart; D006354:Heart, Artificial; D008944:Mitral Valve Insufficiency; D013903:Thoracic Surgery
ANGIOCARDIOGRAPHY; AORTIC VALVE STENOSIS; HEART CATHETERIZATION; HEART SURGERY; HEART, MECHANICAL; MITRAL VALVE INSUFFICIENCY