Choi, K. H., Y. D. Yu, M. H. Kang, and D. S. Park. “Sorafenib Treatement for Recurrent Stage T1 Bilateral Renal Cell Carcinoma in Patients With Von Hippel- Lindau Disease: A Case Report and Literature Review”. Canadian Urological Association Journal, vol. 9, no. 9-10, Sept. 2015, pp. E651-3, doi:10.5489/cuaj.2863.