Ayala-Aldana N, Monleón-Getino A, Jaume Canela Soler JCS. Challenges for predictive analysis in clinical prognosis: Charlson index as a classic predictor in epidemiology. Rev. chil. salud pública [Internet]. 2023 Jul. 3 [cited 2024 May 17];26(2):p. 238. Available from: https://revistasaludpublica.uchile.cl/index.php/RCSP/article/view/71241