Additive Hazard Regression Models: An Application to the Natural History of Human Papillomavirus. - Xianhong Xie; Howard D. Strickler; Xiaonan Xue (Comput. Math. Methods Medicine, 2013)

Sample size requirements to detect an intervention by time interaction in longitudinal cluster randomized clinical trials with random slopes. - Moonseong Heo; Xiaonan Xue; Mimi Y. Kim (Comput. Stat. Data Anal., 2013)