論文（英文）
A new prognostic classification for overall survival in Asian patients with previously untreated metastatic renal cell carcinoma
Shinohara N, Nonomura K, Abe T, Maruyama S, Kamai T, Takahashi M, Tatsugami K, Yokoi S, Deguchi T, Kanayama H, Oba K, Naito S. A new prognostic classification for overall survival in Asian patients with previously untreated metastatic renal cell carcinoma. Cancer Sci 2012;103:1695-700.