设计：非随机化同期对照分析。

DESIGN: Non-randomized concurrent control analysis.

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设计：非随机化同期对照实验。

DESIGN: Non-randomized concurrent control experiment.

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设计：同期对照病例分析。

DESIGN: a controlled case study.

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设计：以患儿为研究对象的同期对照研究。

DESIGN: Homochronous controlled study based on children.

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设计：同期对照观察。

DESIGN: Homochronous and controlled observation.

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对照组选择同期进行健康体检的同龄女性58例。

Meanwhile, 58 female healthy examinees were selected as control group.

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选择同期正常对照组20例。

The control group included 20 people.

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选取同期正常晚期妊娠妇女39例为对照组。

And 39 healthy pregnant women were taken as control group.

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以同期门诊就医的20例健康体检者为健康对照组。

Outpatient treatment for the same 20 healthy subjects were healthy control group.

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同期健康体检者50例作为对照组。

Another 50 healthy subjects were selected as control group.

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同期健康体检者50例作为对照组。

Another 50 healthy subjects were selected as control group.

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