Creation of mechanical respirators in the days of COVID-19 in Brazil: a narrative review. Research, Society and Development, [S. l.], v. 9, n. 10, p. e4739108704, 2020. DOI: 10.33448/rsd-v9i10.8704. Disponível em: https://www.rsdjournal.org/rsd/article/view/8704. Acesso em: 6 dec. 2025.