The objective is to study the prevention effect of PCR on coccidiosis in chickens.
目的：观察白头翁水提液对鸡球虫病的预防作用，为临床用药提供理论依据。
Objective To investigate the prevention effect of erythropoietin on chemotherapy-induced anemia.
目的探讨红细胞生成素对小鼠化疗所致贫血的预防作用。
OBJECTIVE To study the prevention effect of sodium hyaluronate(SH) powder on post-operative dura adhesion.
目的研究透明质酸钠（SH）粉雾剂对动物术后硬膜粘连的预防作用。
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