To study the effects of the super thin pearl powder with different doses on sleep improvement.
研究不同剂量超细珍珠粉对改善睡眠的影响。
The clinical symptoms and gross lesions were similar in birds infected with different doses of oocysts.
结果显示，不同剂量感染引起的临床症状和各病死鹅的肉眼病变基本相似。
The results of routine blood test and biochemical test showed that no significant differences were noticed in the groups of mice with different doses (P>0.05).
各剂量组血常规、生化检测指标与阴性对照组比较，差异均无显著性（P>0.05）；
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