“Cox Regression Analysis of Compositional Covariates Related to Death of the Kidney Transplant-Recipient in Northeastern Brazil: Modeling of Covariates Associated With Renal Allograft Failure”. Research, Society and Development 9, no. 11 (December 5, 2020): e84791110276. Accessed December 16, 2025. https://www.rsdjournal.org/rsd/article/view/10276.