Herrera C, Betancourt Cervantes J, Lage Dávila A, Barreto Fiu E, Sánchez Valdés L, Chávez González E, Caballero López A. Variables associated with severity in COVID-19 patients. . Int J Med Surg Sci [Internet]. 2021 Aug. 10 [cited 2024 Nov. 23];8(3):1-15. Available from: https://revistas.uautonoma.cl/index.php/ijmss/article/view/1612