随机双盲对照试验 multicenter randomized controlled clinical trials ; double-blind randomized clinical trial ; Double-blind randomized controlled trial
你可以测试一个干预，比如实验药物或一个教育计划，以最纯粹的方式(双盲随机对照试验)。
You can test an intervention, such as an experimental drug or an educational program, in the purest way (a double-blind randomized controlled trial).
方法采用前瞻性、双盲随机对照试验设计，以加替沙星为对照药，试验组32例，对照组28例。
Methods take forward looking and double-blind methods with 32 cases in test group and 28 cases in control group.
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