Díaz Ortega, José Luis, et al. “Factors Associated With Missed Opportunities for Vaccination in Children Aged <5 Years in Oaxaca, Mexico, 2018”. 2023. American Journal of Field Epidemiology, vol. 1, no. 3, Sept. 2023, pp. 1-9, doi:10.59273/ajfe.v1i3.7987.