4Cacciola I,Cerenzia G,Pollicino T,et al.Genomic heterogeneity of hepatitis B virus (HBV) and outcome of perinatal HBV infection.J Hepatol,2002,36(3):426-432.
5Tse KY,Lo LF,Lao T.The impact of maternal HBsAg carrier status on pregnancy outcomes:a case-control study.J Hepatol,2005,43(5):771-775.
6Yang J,ZengXM,Men YL,et al.Elective caesarean section versus vaginal delivery for preventing mother to child transmission of hepatitis B virus-a systematic review.Virol J,2008,5:100.
7Guo Y,Liu J,Meng L,et al.Survey of HBsAg-positive pregnant women and their infants regarding measures to prevent maternalinfantile transmission.BMC Infect Dis,2010,10:26.