Racial Differences in Diffusion of Intensity-Modulated Radiation Therapy for Localized Prostate Cancer oleh Ewan K. Cobran PhD, Ronald C. Chen MD, MPH, Robert Overman MPH, Anne-Marie Meyer PhD, Tzy-Mey Kuo PhD, MPH, Jonathon O’Brien MS, Til Sturmer MD, PhD, Nathan C. Sheets MD, Gregg H. Goldin MD, Dolly C. Penn MD, MSCR, Paul A. Godley MD, PhD, William R. Carpenter PhD