References
- Bjork V. O., Henze A. Ten years experience with the Björk-Shiley tilting disc valve. Journal of Thoracic and Cardiovascular Surgery 1979; 78: 331–332
- Borkon A. M., Soule L., Baughman K. L., et al. Ten year analysis of the Björk-Shiley standard aortic valve. Annals of Thoracic Surgery 1987; 43: 39–51
- Miller D. C., Oyer P. E., Mitchel R. S., et al. Performance characteristics of the Starr-Edwards model 1260 aortic valve prosthesis beyond ten years. Journal of Thoracic and Cardiovascular Surgery 1984; 88: 198–207
- Carpentier A., Rellard J., Dubost C. Tissue valve preparation. the Current Status of Cardiac Surgery, D. B. Longmore. MTP, Lancaster 1975; 219–225
- Duran C. G. Experience with heterografts. The Current Status of Cardiac Surgery, D. B. Longmore. MTP, Lancaster 1975; 240–251
- Ionescu M. I. Experience with tissue heart valves. The Current Status of Cardiac Surgery, D. B. Longmore. MTP, Lancaster 1975; 260–271
- Carpentier A. Biological factors affecting long term results of heterograft valves. Journal of Thoracic and Cardiovascular Surgery 1969; 58: 467–483
- Carpentier A., Deloche A., Rellard J., et al. A six-year follow-up of glutaraldehyde preserved heterografts. Journal of Thoracic and Cardiovascular Surgery 1974; 68: 771–782
- Nashef S. A. M., Sethia B., Turner M. A., et al. Björk-Shiley and Carpentier-Edwards valves, a comparative analysis. Journal of Thoracic and Cardiovascular Surgery 1987; 93: 394–404
- Miller D. C., Oyer P. E., Stinson E. B., et al. Ten to fifteen year reassessment of the performance characteristics of the Starr-Edwards model 6120 mitral valve prosthesis. Journal of Thoracic and Cardiovascular Surgery 1983; 85: 1–20
- Cox D. R., Oakes D. Analysis of Survival Data. Chapman and Hall, London 1984
- Kalbfleisch J. D., Prentice R. L. The Statistical Analysis of Failure Time Data. Wiley, New York 1980
- Bunday B. D., Kiri V. A. Maximum likelihood estimation—practical merits of variable metric optimisation methods. Statistician 1987; 36: 349–335
- Cox D. R., Snell E. J. A general definition of residuals. Journal of the Royal Statistical Society B 1968; 30: 248–275
- Kay R. Proportional hazard regression models and the analysis of censored survivor data. Applied Statistics 1977; 26: 227–237
- Crowley J., Storer B. E., Aitken M., Laird N., Francis B. J. Journal of the American Statistical Association 1983; 78: 277–281, Comment on a paper by