Ramírez-Valverde G, Ramírez-Valverde B. Statistical model for deaths and positive cases of covid-19 in Mexico. EQ [Internet]. 2021 Dec. 21 [cited 2025 Apr. 18];18(1):1-20. Available from: https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/7223