@article{Duchateau2003,
author = {Duchateau, L. and Janssen, P. and Kezic, I. and Fortpied, C.},
title= {Evolution of recurrent asthma event rate over time in frailty models},
year = {2003},
doi = {10.1111/1467-9876.00409},
journal = {Journal of the Royal Statistical Society: Series C (Applied Statistics)},
volume = {52},
number = {3},
pages = {355--363},
}