TY  - BOOK
AU  - Hougaard, Philip  .
TI  - Analysis of multivariate survival data / 
SN  - 0-387-98873-4
U1  - B28 
PY  - 2000///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Survival analysis(Biometry)`
ER  -