Bone turnover biomarkers identify unique prognostic risk groups in men with castration resistant prostate cancer and skeletal metastases: Results from SWOG S0421

P. N. Lara, M. Plets, C. Tangen, E. Gertz, N. J. Vogelzang, M. Hussain, P. W. Twardowski, M. G. Garzotto, J. P. Monk, M. Carducci, A. Goldkorn, P. C. Mack, I. Thompson, M. Van Loan, D. I. Quinn