Cite
Semiparametric Frailty Models for Clustered Failure Time Data.
MLA
Yu, Zhangsheng, et al. “Semiparametric Frailty Models for Clustered Failure Time Data.” Biometrics, vol. 68, no. 2, June 2012, pp. 429–36. EBSCOhost, https://doi.org/10.1111/j.1541-0420.2011.01683.x.
APA
Yu, Z., Lin, X., & Tu, W. (2012). Semiparametric Frailty Models for Clustered Failure Time Data. Biometrics, 68(2), 429–436. https://doi.org/10.1111/j.1541-0420.2011.01683.x
Chicago
Yu, Zhangsheng, Xihong Lin, and Wanzhu Tu. 2012. “Semiparametric Frailty Models for Clustered Failure Time Data.” Biometrics 68 (2): 429–36. doi:10.1111/j.1541-0420.2011.01683.x.