There were 100 students in the high score group and low score group, respectively.
症状自评量表总分高分组与低分组学生各100名。
There were three groups including control group, high dose group and low dose group.
设对照组、胃康宁高剂量组、胃康宁低剂量组，灌胃4周。
There were three groups including control group, high dose group and low dose group.
设对照组、胃康宁高剂量组、胃康宁低剂量组，灌胃4周。
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