In a double-blind trial, there were some improvements.
在一个双盲测试中，有了一些进步。
Methods A random, double blind, and placebo control study was conducted.
方法采用随机双盲、安慰剂平行对照研究。
DESIGN: a completely randomized, double blind controlled trial was conducted.
设计：完全随机双盲实验对照研究。
Methods:this was a randomized, double blind controlled trial.
方法：采用随机双盲对照研究。
Sheldon:How could there be a double-blind study? Who would be the control group?
怎么可能有双盲研究?谁来当认证结果?。
Methods a randomized, double blind study was performed.
方法采用随机、双盲研究方法。
METHODS: It was a randomized, double blind, double model, parallel controlled clinical trial.
方法：采用随机、双盲双模拟、平行对照方法。
The data are from an extension study of a randomized, double-blind, placebo-controlled trial.
这些数据来自一个随机、双盲、安慰剂对照试验、根据研究。
The data are from an extension study of a randomized, double-blind, placebo-controlled trial.
这些数据来自一个随机、双盲、安慰剂对照试验、根据研究。
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