• 方法社区为基础的病例对照研究

    Methods a community based case control study was designed.

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  • 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

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

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  • 方法采用随机安慰剂对照方法进行研究

    Method: Take the method of random, double blindness and placebo control for research.

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  • 设计随机对照的技术方法研究

    DESIGN: a randomized controlled research on technique and method.

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  • 评价方法主要对照研究(占64.2%)、有对照研究(占14.4%);

    The methods of evaluation were mainly the control study(14.4%) and no control study(64.2%).

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  • 方法采取回顾性研究方法试验组对照相比较

    Method approach to retrospective studies, the experimental group compared with the control group.

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  • 方法研究采用为随机阳性药物对照设计方法

    Method: Adopted randomization, positive medicine control of equal rank comparative clinical trial method.

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  • 方法研究采用为随机阳性药物对照设计方法

    Method: Adopted randomization, positive medicine control of equal rank comparative clinical trial method.

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