論文（英文）
184) Sakamoto Y, Kokudo N, Matsuyama Y, Sakamoto M, Izumi N, Kadoya M, Kaneko S, Ku Y, Kudo M, Takayama T, Nakashima O; Liver Cancer Study Group of Japan. Proposal of a new staging system for intrahepatic cholangiocarcinoma: Analysis of surgical patients from a nationwide survey of the Liver Cancer Study Group of Japan. Cancer 2016; 122(1): 61-70.
Sakamoto Y, Kokudo N, Matsuyama Y, Sakamoto M, Izumi N, Kadoya M, Kaneko S, Ku Y, Kudo M, Takayama T, Nakashima O; Liver Cancer Study Group of Japan. Proposal of a new staging system for intrahepatic cholangiocarcinoma: Analysis of surgical patients from a nationwide survey of the Liver Cancer Study Group of Japan. Cancer 2016; 122(1): 61-70.
Sakamoto Y, Kokudo N, Matsuyama Y, Sakamoto M, Izumi N, Kadoya M, Kaneko S, Ku Y, Kudo M, Takayama T, Nakashima O; Liver Cancer Study Group of Japan. Proposal of a new staging system for intrahepatic cholangiocarcinoma: Analysis of surgical
patients from a nationwide survey of the Liver Cancer Study Group of Japan. Cancer 2016; 122(1): 61-70.