Performance of cities in the metropolitan region of Rio de Janeiro in hospitalizations for Covid-19. SIVEP-Gripe based study. Research, Society and Development, [S. l.], v. 10, n. 1, p. e25710111611, 2021. DOI: 10.33448/rsd-v10i1.11611. Disponível em: https://rsdjournal.org/rsd/article/view/11611. Acesso em: 5 dec. 2025.