//-->
A Positive Stable Frailty Model for Clustered Failure Time Data with Covariate-Dependent Frailty
Liu, Dandan, (2011)
Proportional Hazards Regression for the Analysis of Clustered Survival Data from Case–Cohort Studies
Zhang, Hui, (2011)
Semiparametric Analysis of Correlated Recurrent and Terminal Events
Ye, Yining, (2007)