López-de-Ullibarri, Ignacio, and M. Amalia Jácome. “SurvPresmooth: An R Package for Presmoothed Estimation in Survival Analysis”. Journal of Statistical Software 54, no. 11 (September 16, 2013): 1–26. Accessed April 20, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v054i11.