title: [Sudden death caused by mitral valve obstruction of Björk-Shiley prosthesis].
mesh_terms: D003645:Death, Sudden; D004868:Equipment Failure; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000601:surgery*