TY  - COMP
A1  - Therneau, T.M.
A1  - Lumley, T.
T1  - survival: Survival analysis, including penalised likelihood. R package
Y1  - 2012
UR  - http://cran.r-project.org/web/packages/survival/index.html
N1  - (Accessed January 16, 2013); 2.37-2

ER  -