DESIGN: Non-randomized concurrent control experiment.
设计：非随机化同期对照实验。
DESIGN: Randomized control and single experiment.
设计：随机对照单一实验。
Design: Complete randomized group division and control experiment were designed.
设计完全随机分组设计，对照实验。
Conclusion Application of the randomized control modality in animal experiment is popular in our country, but the design of some studies is not so rigorous.
结论动物实验论文采用随机对照实验的较为普遍，但部分文章科研设计不够严谨。
They were randomized into 5 groups named blank control positive control low dosage experiment group moderate dosage experiment group and high dosage experiment group 8 rats in each one.
随机分为5组，空白对照组、阳性对照组、低剂量实验组、中剂量实验组和高剂量实验组，每组8只。
DESIGN: a completely randomized experiment with self-control and mutual control.
设计：完全随机设计，自身及组间对照。
DESIGN Randomized control experiment and single blind method.
随机对照实验，单盲法评估。
DESIGN: Complete randomized control experiment.
设计：完全随机设计，对照实验。
DESIGN: Complete randomized control experiment.
设计：完全随机设计，对照实验。
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