title: Obstruction of a Björk-Shiley mitral prosthesis in a patient with idiopathic hypertrophic subaortic stenosis.
mesh_terms: D001020:Aortic Stenosis, Subvalvular / Q000601:surgery*; D002312:Cardiomyopathy, Hypertrophic / Q000601:surgery*; D003251:Constriction, Pathologic; D006350:Heart Valve Prosthesis; D006801:Humans; D007431:Intraoperative Complications; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery