Hakimi, A. Ari, Ling Chen, Philip H. Kim, Daniel D. Sjoberg, Leonard Glickman, Marc R. Walker, and Paul Russo. 2013. “The Impact of Metformin Use on Recurrence and Cancer-Specific Survival in Clinically Localized High-Risk Renal Cell Carcinoma”. Canadian Urological Association Journal 7 (11-12):e687-91. https://doi.org/10.5489/cuaj.1447.