Cho, HyungJun, Ami Yu, Sukwoo Kim, Jaewoo Kang, and Seung-Mo Hong. “Robust Likelihood-Based Survival Modeling With Microarray Data”. Journal of Statistical Software 29, no. 1 (January 13, 2009): 1–16. Accessed April 25, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v029i01.