Guevara Rosero GC, Illescas Navarrete EC. The influence of underlying conditions of countries on the COVID-19 lethality rate. REGION [Internet]. 2024 Mar. 19 [cited 2024 Sep. 20];11(1):27-53. Available from: https://pmgr.wu-wien.ac.at/ojs/index.php/region/article/view/491