Study Design. A retrospective matched cohort study with control group.

研究设计：对照配对回顾性队列研究。

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Results: compared with control group, the fracture resistance in the experimental groups were lower.

结果：各实验组抗折能力均低于对照组。

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The scores in 2 factors of aggressive behavior and conduct disorder were significant decrease compared with control group(P<0.05).

与对照组相比在攻击行为、行为紊乱2个因子的减分的差异具有显著性（P<0.05）；

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They were compared with a control group that had more saturated fat in their diets.

VOA: standard.2010.03.25

The people who were primed, subconsciously with words related to achievement, did better on tests than control group.

受到影射的人，用与“成就“有关的词进行潜意识影射的人，测试结果比对照组好。

哈佛公开课 - 幸福课课程节选

Using MRI brain scans, researchers found that the area of the brain called the amygdala was, on average, 13 percent larger in young children with autism, compared with control group of children without autism.

CNN: Toddler brain difference linked to autism

Students were tested before and after the lessons with a control group learning with traditional resources only.

BBC: 3D learning tools positive for pupils, says study

Dr Roi Cohen Kadosh, study author from the department of experimental psychology at the University of Oxford, said the noise stimulation group showed improvements in cognitive and brain functions compared with the control group.

BBC: Brain stimulation promises 'long-lasting' maths boost