参考文献 (phm cox)

1. Cox D R (1972b) Regression models in life tables (with discussion).J.Roy.Statist.Soc, Ser.B 34 187-220.

2. Kalbfkisch J D and Prentice R L (1980).The Statistical Analysis of Failure Time Data.Wiley-Interscience.

3. Gross A J and Clark V A (1975).Survival Distributions: Reliability Applications in the Biomedical Sciences.John Wiley & Sons, Inc.