MESENBURG, Marilia Arndt et al. Prevalence of symptoms of COVID-19 in the state of Rio Grande do Sul: results of a population-based study with 18,000 participants. Revista de Saúde Pública, São Paulo, Brasil, v. 55, p. 82, 2021. DOI: 10.11606/s1518-8787.2021055004030. Disponível em: https://www.revistas.usp.br/rsp/article/view/193670.. Acesso em: 2 may. 2024.