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Backround/Aims: The pre-core stop codon variant (A 1896) of hepatitis B virus (HBV) has been associated with chronic active liver disease with acute exacerbations and a high relapse rate after an initial response to alpha-interferon (IFN-alpha) therapy. Poor sustained response has been correlated with a high prevalence of mutations in the core region, potentially enabling escape from the immune system...
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