Campos, A. C. V., C. M. Borges, C. R. Leles, A. M. D. Vargas, and E. Ferreira e Ferreira. “Socioeconomic and Health Indicators of Primary Health Care in the Metropolitan Region of Belo Horizonte”. Arquivos Em Odontologia, vol. 48, no. 1, May 2016, doi:10.7308/aodontol/2012.48.11.01.