P. O. da S. Padilha, J. N. Scherer, H. F. Moura, L. von Diemen, J. C. de M. Narvaez, e F. Ornell, “AIDS incidence in Rio Grande do Sul in elderly from 1997 to 2017: an ecological study”, Rev Epidemiol Control Infect, vol. 10, nº 4, nov. 2020.