Engel, C., and A.R. Franz. “Statistical Analyses of Mutually Exclusive Competing Risks in Neonatal Studies”. International Journal of Statistics in Medical Research 5, no. 3 (August 16, 2016): 189–197. Accessed May 5, 2024. https://www.lifescienceglobal.com/pms/index.php/ijsmr/article/view/4032.