Biazoli, Leonardo, and Izabela Regina Cardoso de Oliveira. (2024) 2024. “Impacts of the COVID-19 Pandemic on Health Insurance in Southeastern Brazil: An Interrupted Time Series Analysis”. Sigmae 13 (1):45-50. https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/2263.