SURGICAL CHALLENGE OF AORTIC VALVE DISEASE; A FOLLOW-UP STUDY.
D001021:Aortic Valve; D000082882:Bicuspid Aortic Valve Disease; D006348:Cardiac Surgical Procedures; D005500:Follow-Up Studies; D006330:Heart Defects, Congenital; D006349:Heart Valve Diseases; D006350:Heart Valve Prosthesis; D006801:Humans; D013903:Thoracic Surgery
HEART SURGERY; HEART VALVE DISEASES; HEART VALVE PROSTHESIS