The challenges of obstetric nursing in the beginning of the COVID-19 pandemic in the state of Pará. Research, Society and Development, [S. l.], v. 10, n. 3, p. e9510313042, 2021. DOI: 10.33448/rsd-v10i3.13042. Disponível em: https://rsdjournal.org/rsd/article/view/13042. Acesso em: 5 dec. 2025.