APA
Parkin D. M., Ohshima H., Srivatanakul P. & Vatanasapt V. (19940202). Cholangiocarcinoma: epidemiology, mechanisms of carcinogenesis and prevention. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.
Chicago
Parkin D M, Ohshima H, Srivatanakul P and Vatanasapt V. 19940202. Cholangiocarcinoma: epidemiology, mechanisms of carcinogenesis and prevention. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.
Harvard
Parkin D. M., Ohshima H., Srivatanakul P. and Vatanasapt V. (19940202). Cholangiocarcinoma: epidemiology, mechanisms of carcinogenesis and prevention. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.
MLA
Parkin D M, Ohshima H, Srivatanakul P and Vatanasapt V. Cholangiocarcinoma: epidemiology, mechanisms of carcinogenesis and prevention. : Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 19940202.