ONO, Takashi et al. High dose hypofractionated proton beam therapy is a safe and feasible treatment for central lung cancer. Radiology and Oncology, [S. l.], v. 51, n. 3, 2017. Disponível em: https://www.radioloncol.com/index.php/ro/article/view/2771. Acesso em: 2 may. 2026.