ALVARADO BATRES, C. A.; MÉNDEZ GUTIÉRREZ, L. E. Determination of the Impact Index of Covid19 in El Salvador through demographic, environmental and epidemiological relationship. Población y Salud en Mesoamérica, [S. l.], v. 18, n. 2, 2020. DOI: 10.15517/psm.v18i2.42242. Disponível em: https://revistas.ucr.ac.cr/index.php/psm/article/view/42242. Acesso em: 19 apr. 2024.