Boracchi, Patrizia, and Annalisa Orenti. “Survival Functions in the Presence of Several Events and Competing Risks: Estimation and Interpretation Beyond Kaplan-Meier”. International Journal of Statistics in Medical Research 4, no. 1 (February 13, 2015): 121–139. Accessed November 24, 2024. https://mail.lifescienceglobal.com/pms/index.php/ijsmr/article/view/2744.