TY  - JOUR
A1  - Pickles, A.
A1  - Crouchley, R.
T1  - A comparison of frailty models for multivariate survival data
Y1  - 1995
DO  - 10.1002/sim.4780141305
JF  - Statistics in Medicine
VL  - 14
IS  - 13
SP  - 1447
EP  - -1461

ER  -