title: Thromboembolic risk in prosthetic valve carriers. Prevention trial.
mesh_terms: D000925:Anticoagulants / Q000627:therapeutic use; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D011379:Prognosis; D011446:Prospective Studies; D011897:Random Allocation; D012189:Retrospective Studies; D012306:Risk; D013923:Thromboembolism / Q000209:etiology* / Q000517:prevention & control; D013997:Time Factors
chemical_list: D000925:Anticoagulants