title: The natural history of valvular disease. 2. Implications regarding medical and surgical management of aortic and mitral regurgitation.
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000209:etiology / Q000601:surgery / Q000628:therapy*; D002908:Chronic Disease; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000209:etiology / Q000601:surgery / Q000628:therapy*