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Ki-67 is an independent predictor of metastasis and cause-specific mortality for prostate cancer patients treated on Radiation Therapy Oncology Group (RTOG) 94-08.
Verhoven B, Yan Y, Ritter M, Khor LY, Hammond E, Jones C, Amin M, Bahary JP, Zeitzer K, Pollack A. Verhoven B, et al. Int J Radiat Oncol Biol Phys. 2013 Jun 1;86(2):317-23. doi: 10.1016/j.ijrobp.2013.01.016. Epub 2013 Mar 6. Int J Radiat Oncol Biol Phys. 2013. PMID: 23474109 Free PMC article. Clinical Trial.