Design of Low-Cost Emergency Ventilators: A Systems Approach. International Journal of Research and Applied Innovations, [S. l.], v. 3, n. 2, p. 3064–3067, 2020. DOI: 10.15662/IJRAI.2020.0302002. Disponível em: https://ijrai.org/index.php/ijrai/article/view/26. Acesso em: 27 sep. 2025.