Romero-Figueroa, María Del Socorro, et al. “Epidemiological Pattern of Breast Cancer Mortality in Mexico State”. Revista Médica Del Instituto Mexicano Del Seguro Social, vol. 48, no. 3, Jan. 2021, pp. 253-8, https://revistamedica.imss.gob.mx/index.php/revista_medica/article/view/1900.