Barros, Aluisio J D, Cesar G Victora, Ana M B Menezes, Bernardo L Horta, Fernando Hartwig, Gabriel Victora, Lúcia C Pellanda, et al. “Social Distancing Patterns in Nine Municipalities of Rio Grande Do Sul, Brazil: The Epicovid19 RS Study”. Revista de Saúde Pública 54 (August 7, 2020): 75. Accessed April 14, 2025. https://journals.usp.br/rsp/article/view/173352.