(1)
Tan, J.- hui; Zhou, W.- yan; Zhou, L.; Cao, R.- chang; Zhang, G.- wei. Viral Hepatitis B and C Infections Increase the Risks of Intrahepatic and Extrahepatic Cholangiocarcinoma: Evidence from a Systematic Review and Meta-Analysis. Turkish Journal of Gastroenterology 2020, 31, 246-256.