Analysis of hepatitis B virus intrahepatic covalently closed circular DNA and serum viral markers in treatment-naive patients with acute and chronic HBV infection. oleh Weijie Li, Jingmin Zhao, Zhengsheng Zou, Yan Liu, Baosen Li, Ying Sun, Xiaodong Li, Shuhong Liu, Shaoping Cai, Weiming Yao, Shaojie Xin, Fengmin Lu, Dongping Xu