VARSI ROSPIGLIOSI, E.; ROSENVALD, N.; TORRES MALDONADO, M. A. The covid-19 pandemic, force majeure and changed contractual circumstances. Acta Bioethica, [S. l.], v. 26, n. 1, p. 19–26, 2020. Disponível em: https://actabioethica.uchile.cl/index.php/AB/article/view/57351. Acesso em: 9 feb. 2023.