• This type of study design, known as "case-control," cannot prove cause-and-effect.

    这种类型研究称为病例对照研究,它能够证明两者之间的因果关系。

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  • Objective Discussing sample size estimation method and effect factors for case control family design.

    目的探讨病例对照设计样本含量的估算方法影响因素

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  • Study Design. Prospectie case-control study testing a new diagnostic method.

    研究设计:为试验一种新的诊断方法而做的预期病例对照研究。

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  • DESIGN: Prospective case control study based on experimental animals.

    设计实验动物研究对象,前瞻性对照研究。

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  • DESIGN: a case control study.

    设计病例-对照研究

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  • DESIGN: Randomized case control study.

    设计随机对照研究。

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  • DESIGN: Completely randomized case-control study was adopted.

    设计完全随机对照实验研究

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  • DESIGN: a completely randomized case-control study.

    设计完全随机对照研究

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  • DESIGN: a case-control study.

    设计对照实验研究

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  • DESIGN: a case-control study.

    设计对照实验研究

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