Semiparametric estimation of a nested random effects model for the analysis of multi-level clustered failure time data

@article{Shih2009SemiparametricEO,
  title={Semiparametric estimation of a nested random effects model for the analysis of multi-level clustered failure time data},
  author={Joanna H. Shih and Shou-En Lu},
  journal={Computational Statistics & Data Analysis},
  year={2009},
  volume={53},
  pages={3864-3871}
}