Validation of a Genomic Classifier for Predicting Metastasis Following Postoperative Radiation Therapy in High-Risk Prostate Cancer. - Den, R.B.; Karnes, R.; Feng, F.Y.; Showalter, T.N.; Mishra, M.V.; Trabulsi, E.J.; Lallas, C.D.; Gomella, L.G.; Birbe, R.; McCue, P.; Yousefi, K.; Ghadessi, M.; et al. (International Journal of Radiation Oncology, Biology, Physics, 2014)