Spratt, D. E., Zhang, C., Zumsteg, Z. S., Pei, X., Zhang, Z., & Zelefsky, M. J. (2012). Metformin and Prostate Cancer: Benefit for Development of Castration-resistant Disease and Prostate Cancer Mortality.

Spratt, Daniel E., Chi Zhang, Zachary S. Zumsteg, Xin Pei, Zhigang Zhang, و Michael J. Zelefsky. Metformin and Prostate Cancer: Benefit for Development of Castration-resistant Disease and Prostate Cancer Mortality. 2012.

Spratt, Daniel E., et al. Metformin and Prostate Cancer: Benefit for Development of Castration-resistant Disease and Prostate Cancer Mortality. 2012.