2Kodell R G, Ishak K G, Black W C, et al. Formulation and application of a numerical scoring system for assessing histological activity in a symptomatic chronic active hepatitis [ J ]. Hepatology, 1981,1 ( 38 ):431-435.
3Sheen I S,Liaw Y F, Lin D Y, et al. Role of hepatitis C and delta virus in the termination of chronic hepatitis B surface antigen carrier state:a multivariate analysis in a logitudinal follow-up study [ J ]. J Infect Dis, 1994,170(16) :358-360.
2LiuRongJing,XiHao,Lin kun.Hepatitis b virus surface antigen detection of weak reactive specimens and clinical significance[].Journal of laboratory medicine and clinical.2010