How many hospitalizations has the COVID-19 vaccination already prevented in São Paulo?. Clinics, [S. l.], v. 76, p. e3250, 2021. DOI: 10.6061/clinics/2021/e3250. Disponível em: https://www.journals.usp.br/clinics/article/view/213161.. Acesso em: 9 jun. 2024.