References
- Aris A, Fast A J, Tector A J, Flemma R J, Lepley D. A comparative study of ball and disc prostheses in mitral valve replacement. J Thorac Cardiovasc Surg 1974; 68: 335–343
- Cox D R. Regression models and life-tables. J R Stat Soc Series B 1972; 34: 187–220
- Cutler S, Ederer F. Maximum utilization of life table method in analyzing survival. J Chron Dis 1958; 8: 699
- Dale J, Levang O, Enge J. Long-term results after aortic valve replacement with four different prostheses. Am Heart J 1980; 99: 155–162
- Hufnagel C A, Harvey W P, Rabil P J, McDermott T F. Surgical correction of aortic insufficiency. Surgery 1954; 35: 673–683
- Murphy D A, Levine F H, Buckley M J, Swinsky L, Dagget W M, Akins C W, Austen W G. Mechanical valves: A comparative analysis of the Starr-Edwards and Björk-Shiley prosthesis. J Thorac Cardiovasc Surg 1983; 86: 746–752