Single Nucleotide Polymorphisms as Predictors for Development of Erectile Dysfunction in African-American Men Treated With Radiotherapy for Prostate Cancer - Moore, J.; Stock, R.G.; Cesaretti, J.A.; Stone, N.N.; Li, W.; Peters, S.; Atencio, D.P.; Peters, C.A.; Burri, R.; Rosenstein, B.S. (International Journal of Radiation Oncology, Biology, Physics, 2007)