Chen Ronald C, Gabriel Peter E, Kavanagh Brian D, McNutt Todd R
Department of Radiation Oncology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
Department of Radiation Oncology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania.
Int J Radiat Oncol Biol Phys. 2016 Jul 1;95(3):880-884. doi: 10.1016/j.ijrobp.2015.10.052. Epub 2015 Nov 6.