Valvular heart disease in the aged.
D001021:Aortic Valve; D000082882:Bicuspid Aortic Valve Disease; D006330:Heart Defects, Congenital; D006349:Heart Valve Diseases; D006801:Humans; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis
AORTIC VALVE DISEASES; MITRAL INSUFFICIENCY; MITRAL STENOSIS