Chiou, Sy Han, Sangwook Kang, and Jun Yan. “Fitting Accelerated Failure Time Models in Routine Survival Analysis With R Package Aftgee”. Journal of Statistical Software 61, no. 11 (November 14, 2014): 1–23. Accessed November 21, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v061i11.