TY  - JOUR
A1  - Prentice, R.L.
A1  - Williams, B.J.
A1  - Peterson, A.V.
T1  - On the regression analysis of multivariate failure time data
Y1  - 1981
DO  - 10.1093/biomet/68.2.373
JF  - Biometrika
VL  - 68
IS  - 2
SP  - 373
EP  - -379

ER  -