1. Epidemiology of liver cancer: an overview;Srivatanakul;Asian Pac. J. Cancer Prev. APJCP,2004
2. Cholangiocarcinoma in north east Thailand. A hospital-based study;Green;Trop. Geogr. Med.,1991
3. Perihilar cholangiocarcinoma: current therapy;Zhang;World J. Gastrointest. Pathophysiol.,2014
4. Cholangiocarcinoma: lessons from Thailand;Sripa;Curr. Opin. Gastroenterol.,2008
5. Epidemiology of cholangiocarcinoma: an update focusing on risk factors;Shin;Cancer Sci.,2010