@article{Slama2005,
author = {Slama, R. and Werwatz, A.},
title= {Controlling for continuous confounding factors: Non- and semi-parametric approaches},
year = {2005},
doi = {10.1016/S0398-7620(05)84769-8},
journal = {Revue d’Epidémiologie et de Santé Publique},
volume = {53},
number = {2S},
pages = {65--80},
}