title: Late thrombosis of the aortic Bjork-Shiley prosthesis.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D001021:Aortic Valve / Q000601:surgery*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D013927:Thrombosis / Q000209:etiology* / Q000517:prevention & control
chemical_list: D000925:Anticoagulants