MATERIALS: The experiment was completed at Laboratory Center of Renmin Hospital of Wuhan University from October 2004 to February 2005. Totally 50 healthy SD rats of clean grade were selected in this study.

  • 材料:实验于2004-10/2005-02在武汉大学人民医院实验中心进行,选取健康清洁级SD大鼠50只。

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