1. Cox's regression model for counting processes: a large sample study;Andersen;Ann Statist,1982
2. Statistical models in cancer research, Volume II-The design and analysis of cohort studies;Breslow,1987
3. Sun Y;Cai;Local linear estimation for time-dependent coefficients in Cox's regression models, Scandinavian Journal of Statistics,2003
4. Regression models and life table (with diccussion);Cox;Journal of Royal Statistical Society, Series B,1972
5. Analysis of survival data;Cox,1984