3Allain JP. Occult hepatitis B virus infection: implications in transfusion. Vox Sang, 2004, 86(2) : 83-91.
4Brojer E, Grabarczyk P, Liszewski G, et al. Characterization of HBV DNA +/HBsAg- blood donors in Poland identi? ed by triplex NAT. Hepatology, 2006,44 ( 2 ) : 1666-1674.
5Raimondo G, Pollicino T, Cacciola I, et al. Occult hepatitis B virus infection. J Hepatol, 2007,46 ( 1 ) : 160-170.
6$araswat S, Banerjee K, Chaudhury N, et al. Post-transfusion hepatitis type B following multiple transfusions of HBsAg-negative blood. J Hepatol, 1996, 25(5) : 639-643.
7Satake M, Taira R, Yugi H, et al . Infectivity of blood components with lower hepatitis B virus DNA levels identified in a lookback program . Transfusion, 2007, 47(7) :1197-1205.
8Mason A, Sallie R, Perrillo R, et al. Prevalence of herpesviridae and hepatitis B virus DNA in the liver of patients with non-A, non-B fulminant hepatic failure, Hepatology, 1996, 24 ( 6 ) : 1361-1365.
9Zhang YY, Hansson BG, Kuo LS, et al. Hepatitis B virus DNA in serum and liver is commonly found in Chinese patients with chronic liver disease despite the presence of antibodies to HB- sag. Hepatology, 1993, 17(4) : 538-544.
10Brechot C, Degos F, Lugassy C, et al. Hepatitis B vires DNA in patients with chronic liver disease and negative tests for hepatitis B surface antigen. N Engl J Med, 1985, 312(5) :270-276.
