@article{Molinari2001,
author = {Molinari, N. and Daurès, J.P. and Durand, J.F.},
title= {Regression splines for threshold selection in survival data analysis},
year = {2001},
doi = {10.1002/1097-0258(20010130)20:2<237::aid-sim654>3.0.co;2-i},
journal = {Statistics in Medicine},
volume = {20},
number = {2},
pages = {237--247},
}