BIGNARDI, M.; BERTONI, F. Radiation Treatment with Twice A Day Fractionation Versus Conventional Fractionation in High Grade Astrocytoma: A retrospective study. Acta Oncologica, [S. l.], v. 26, n. 6, p. 441–445, 1987. DOI: 10.3109/02841868709113715. Disponível em: https://medicaljournalssweden.se/actaoncologica/article/view/33408. Acesso em: 17 may. 2026.