To study the antiviral effect of Gankang suppository(GS) on duck hepatitis B virus(DHBV) in vivo, and observe the changes of hepatic pathology.

用鸭乙型肝炎（乙肝）模型研究肝康栓抗鸭乙型肝炎病毒（DHBV）和改善肝脏病理的作用。

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Objective To study liver pathology in chronic hepatitis B virus (HBV) carriers with normal liver function.

目的探讨肝功能正常的慢性肝炎病毒携带者的肝组织病理分级和分期。

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For example, it did not flinch when, in 2005, researchers at the Armed Forces Institute of Pathology in Maryland reconstructed the Spanish flu virus.

ECONOMIST: Flu research and biological warfare