ROJAS , K. T.; CHÁVEZ SOTO, T.; GARROCHO RANGEL, C. City and COVID-19: accessibility of the older adult population to medical units. Chimalhuacan, State of Mexico. Frontera Norte, [S. l.], v. 34, 2022. DOI: 10.33679/rfn.v1i1.2300. Disponível em: https://fronteranorte.colef.mx/index.php/fronteranorte/article/view/2300. Acesso em: 3 jul. 2024.