Leveau, Carlos M., and Guillermo A. Velázquez. “COVID-19 and Older Adults: Spatiotemporal Comparison Between Mortality and Vaccination in the Province of Buenos Aires, Argentina”. Revista Peruana De Medicina Experimental Y Salud Pública, vol. 38, no. 4, Dec. 2021, pp. 601-7, https://doi.org/10.17843/rpmesp.2021.384.9378.