title: [Six cases of aortic valve disease with a congenital bicuspid aortic valve].
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities* / Q000601:surgery; D001022:Aortic Valve Insufficiency / Q000150:complications* / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000150:complications* / Q000601:surgery; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged