TY  - JOUR
A1  - Royston, P.
A1  - Parmar, M.K.B.
T1  - Flexible parametric proportional-hazards and proportional-odds model for censored survival data, with application to prognostic modeling and estimation of treatment effects
Y1  - 2002
DO  - 10.1002/sim.1203
VL  - 21
IS  - 15

ER  -