1. Radiopaque marker in the tilting disk of Bjork-Shiley heart valve;Bjork;J Thorac Cardiovasc Surg,1977
2. Thrombosis of Bjork-Shiley aortic valve prostheses;Venkataraman;Radiology,1980
3. A clinical study on Bjork-Shiley valve function by cineradiography;Soma;Shinzo,1980
4. An experimental study on a new method for evaluation of the Bjork-Shiley valve function by cineradiography;Soma;Jpn J Artif Organs,1979
5. Development of motion analyzing system for implant-edtilting disk valves;Dohi;Artif Organs,1988