%0 Journal Article %T Risk factors and mechanism of transplacental transmission of hepatitis B virus: A case‐control study %A Xu, De‐Zhong %A Yan, Yong‐Ping %A Choi, Bernard C.K. %A Xu, Jian‐Qiu %A Men, Ke %A Zhang, Jing‐Xia %A Liu, Zhi‐Hua %A Wang, Fu‐Sheng %J Journal of Medical Virology %V 67 %N 1 %P 20-26 %@ 0146-6615 %D 2002-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve