1. Parkin DM, Ohshima H, Srivatanakul P, Vatanasapt V. Cholangiocarcinoma: epidemiology, mechanisms of carcinogenesis and prevention. Cancer Epidemiol Biomarkers Prev 1993;2:537-544.
2. Vatanasapt V, Martin N, Sriplung H, Chindavijak K, Sontipong S, Sriamporn H, Parkin DM, Ferlay J. Cancer incidence in Thailand, 1988-1991. Cancer Epidemiol Biomarkers Prev 1995;4:475-483.
3. Liver fluke-associated cholangiocarcinoma
4. An increasing incidence of cholangiocarcinoma: Why?
5. Intrahepatic cholangiocarcinoma in Thailand