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2. Thrombosis on Björk-Shiley aortic valve prosthesis;Ben-Zvi;Am. J. Cardiol.,1974
3. Phonocardiographic diagnosis of aortic ball variance;Hylen;Circulation,1968
4. Elimination of the need for anticoagulation following mitral valve replacement;Cohn;Am. J. Cardiol.,1975
5. Cardiac valve replacement with the glutaraldehyde stabilized porcine aortic valve: Indications, operative results and follow up;Cohn;Chest,1974