National Cancer Database Analysis of Proton Versus Photon Radiation Therapy in Non-Small Cell Lung Cancer.

Higgins, K. A.,O'Connell, K.,Liu, Y.,Gillespie, T. W.,McDonald, M. W.,Pillai, R. N.,Patel, K. R.,Patel, P. R.,Robinson, C. G.,Simone, C. B.,Owonikoko, T. K.,Belani, C....; Int. J. Radiat. Oncol. Biol. Phys.. 2016 Dec 17.