C. M. S. C. da Silva, J. R. . Junges, S. . L’Abbate, and V. . Moehleckec, “Institutional analysis of health surveillance in a city in the Metropolitan Region of Porto Alegre, Rio Grande do Sul, Brazil ”, Saúde Soc., vol. 30, no. 1, Jun. 2021, doi: 10.1590/S0104-12902021190904.