@article{Govindarajulu2011,
author = {Govindarajulu, U.S. and Lin, H. and Lunetta, K.L. and D'Agostino, R.B.},
title= {Frailty models: Applications to biomedical and genetic studies},
year = {2011},
doi = {10.1002/sim.4277},
journal = {Statistics in Medicine},
volume = {30},
number = {22},
pages = {2754--2764},
}