1. Aspirin and prophylaxis of thromboembolic complications in patients with substitute heart valves;Altman;New England Journal of Medicine,1971
2. Reduction of platelet activity in patients with prosthetic heart valves;Bran;Revue Medicate de Bruxelles,1980
3. Prevention of arterial embolism by acetylsalic acid and anticoagulants in patients with heart valve prosthesis;Dale;Tidsskrift for Den norske lageforening,1976
4. Prevention of arterial thromboembolism with acetylsalicytic acid: a contolled clinical study in patients with aortic ball valves;Dale;American Heart Journal,1977
5. Clinical effect of dipyridamole ingestion after prosthetic heart valve replacement: especially on the blood coagulation system;Kasahara;Japanese Association of Thoracic Surgery,1977