Arce-Zepeda A, Araiza-Aguirre AG. COVID-19 mortality prediction. Comparison between two scales. Rev Med Inst Mex Seguro Soc. 2022;60(4):447-52. Accessed November 12, 2026. https://revistamedica.imss.gob.mx/index.php/revista_medica/article/view/4567