The results should be confirmed in an experiment where patients would be randomly assigned to take aspirin or a dummy pill.

这结果应该有试验证实，病人应该随机分配使用阿司匹林或是服用安慰剂。

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There were 62% fewer HIV infections in the group on the single drug and 73% fewer HIV infections in the group that took the combination, compared with those given a dummy pill.

与不服用药品的人相比，服用单种药品的人感染艾滋的比率减少62%，而服用组合药剂的人则减少73%。

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Previous research has compared a product or pill with a placebo (a dummy treatment) rather than other smoking cessation products.

以前的研究是将一个产品或药物和安慰剂(一种虚拟疗法)相比较，而不是比较其它戒烟产品。

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However, the changes took longer to appear in those patients who responded to the dummy pill.

BBC: Scan predicts path of depression

Nine thousand patients were given either Vytorin or a dummy pill for an average of five years.

FORBES: Finally, A Win For Vytorin

In Hankins' study, about 260 U.S. women with morning sickness were given either Diclegis or a dummy pill for two weeks.

NPR: FDA Approves Return Of Drug For Morning Sickness