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研究目的：辐射对大鼠肝细胞色素Ｐ４５０氧化酶（以下简称Ｐ４５０）的影响和辐射防护剂的防护作用。实验方法：雄性ＳＤ大鼠，设平行正常对照组、单独照射组和照前０５ｈ给ＷＲ２７２１（１００ｍｇ／只）组，每组５只动物。照射组大鼠１次接受６０Ｃｏγ射线７Ｇｙ全身照
Objective: The effect of radiation on the cytochrome P450 oxidase (hereinafter referred to as P450) in rats and the protective effect of radioprotectant. Experimental Methods: Male Sprague-Dawley rats, parallel normal control group, irradiation group and WR2721 (100mg / only) group, 5 animals in each group. The rats in the irradiation group received 7 Gy whole body photo of 60Coγ ray once