title: Letter: Aortic valve disease surgery.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001021:Aortic Valve / Q000002:abnormalities; D001024:Aortic Valve Stenosis / Q000151:congenital / Q000503:physiopathology / Q000601:surgery*; D006328:Cardiac Catheterization; D002648:Child; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology; D006801:Humans