Cox, David R (1972). "Regression Models and Life-Tables". Journal of the Royal Statistical Society, Series B. 34 (2): 187–220. JSTOR2985181. MR0341758.
Breslow, N. E. (1975). "Analysis of Survival Data under the Proportional Hazards Model". International Statistical Review / Revue Internationale de Statistique. 43 (1): 45–57. doi:10.2307/1402659. JSTOR1402659.
Efron, Bradley (1974). "The Efficiency of Cox's Likelihood Function for Censored Data". Journal of the American Statistical Association. 72 (359): 557–565. doi:10.1080/01621459.1977.10480613. JSTOR2286217.
Nan Laird and Donald Olivier (1981). "Covariance Analysis of Censored Survival Data Using Log-Linear Analysis Techniques". Journal of the American Statistical Association. 76 (374): 231–240. doi:10.2307/2287816. JSTOR2287816.
Breslow, N. E. (1975). "Analysis of Survival Data under the Proportional Hazards Model". International Statistical Review / Revue Internationale de Statistique. 43 (1): 45–57. doi:10.2307/1402659. JSTOR1402659.
Cox, David R (1972). "Regression Models and Life-Tables". Journal of the Royal Statistical Society, Series B. 34 (2): 187–220. JSTOR2985181. MR0341758.
Efron, Bradley (1974). "The Efficiency of Cox's Likelihood Function for Censored Data". Journal of the American Statistical Association. 72 (359): 557–565. doi:10.1080/01621459.1977.10480613. JSTOR2286217.
Nan Laird and Donald Olivier (1981). "Covariance Analysis of Censored Survival Data Using Log-Linear Analysis Techniques". Journal of the American Statistical Association. 76 (374): 231–240. doi:10.2307/2287816. JSTOR2287816.