1) Mori W, Nagasako K: Cholangiocarcinoma and related lesions. In: Hepatocellular Carcinoma Edited by K Okuda, RL Peters. A Wiley Medical Publication, New York, 1976, p227-246
2) Okuda K, Kubo Y, Okazaki N: Clinical aspects of intrahepatic bile duct carcinoma including hilar carcinoma. Cancer 39: 232-246, 1977
3) 日本胆道外科研究会編:外科胆道癌取扱い規約.金原出版株式会社,東京,1981
4) 胃癌研究会編:胃癌取扱い規約.金原出版株式会社,東京,1979.
5) Edmondson HA, Steiner PE: Primary carcinoma of the liver. A study of 100 cases among 48,900 necropsies. Cancer 7: 462-503, 1954