Ono, T., yabuuchi, T., Nakamura, T., Kimura, K., Azami, Y., Hirose, K., … Nemoto, K. (2017). High dose hypofractionated proton beam therapy is a safe and feasible treatment for central lung cancer. Radiology and Oncology, 51(3). Retrieved from https://www.radioloncol.com/index.php/ro/article/view/2771