TY  - BOOK
AU  - Therneau, Terry M.
AU  - Grambsch, Patricia M.
TI  - Modeling survival data: ; extending the cox model 
T2  - Statistics for Biology and Health
SN  - 0387987843
U1  - 519.5024574 
PY  - 2000///
CY  - New York
PB  - Springer-Verlag
ER  -