@article{Tibshirani1997,
author = {Tibshirani, Robert},
title= {The lasso method for variable selection in the Cox model. Statistics in Medicine},
year = {1997},
doi = {10.1002/(sici)1097-0258(19970228)16:4<385::aid-sim380>3.0.co;2-3},
journal = {Statistics in Medicine},
volume = {16},
number = {4},
pages = {385--395},
}