Clinical and perinatal outcomes of unvaccinated pregnant women with and without Covid-19 undergoing cesarean delivery: a retrospective cohort study. Research, Society and Development, [S. l.], v. 12, n. 3, p. e12312340495, 2023. DOI: 10.33448/rsd-v12i3.40495. Disponível em: https://rsdjournal.org/rsd/article/view/40495. Acesso em: 6 dec. 2025.