Xiao Song

Song, X., Davidian, M., & Tsiatis, A. A. (2002). A semiparametric likelihood approach to joint modeling of longitudinal and time-to-event data. BIOMETRICS, 58(4), 742–753. https://doi.org/10.1111/j.0006-341X.2002.00742.x

Song, X. A., Davidian, M., & Tsiatis, A. A. (2002). An estimator for the proportional hazards model with multiple longitudinal covariates measured with error. Biostatistics (Oxford, England), 3(4), 511–528.