RECURRENT VALVULAR AORTIC STENOSIS AFTER OPEN AORTIC VALVULOPLASTY.
D001024:Aortic Valve Stenosis; D006348:Cardiac Surgical Procedures; D002648:Child; D006801:Humans; D011379:Prognosis; D013903:Thoracic Surgery
AORTIC VALVE STENOSIS; CHILD; HEART SURGERY; PROGNOSIS