de Wreede, Liesbeth C., Marta Fiocco, and Hein Putter. “Mstate: An R Package for the Analysis of Competing Risks and Multi-State Models”. Journal of Statistical Software 38, no. 7 (January 4, 2011): 1–30. Accessed November 21, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v038i07.