TY  - JOUR
A1  - Bradburn, M.J.
A1  - Clark, T.G.
A1  - Love, S.B.
A1  - Altman, D.G.
T1  - Survival analysis part II: Multivariate data analysis: An introduction to concepts and methods
Y1  - 2003
DO  - 10.1038/sj.bjc.6601119
VL  - 89
IS  - 3

ER  -