1. Cholangiocarcinoma;Khan;Lancet,2005
2. Classification, diagnosis, and management of cholangiocarcinoma;Razumilava;Clin Gastroenterol Hepatol,2013
3. Cholangiocarcinoma;Lazaridis;Gastroenterology,2005
4. Cholangiocarcinoma;Mosconi;Crit Rev Oncol Hematol,2009
5. WHO Classification of Tumours of the Digestive System. World Health Organization of Tumours;Albores-Saavedra,2010