The researchers then studied those patients' brain activity and bodily sensations over the course of a year, comparing what they found with the results from a group of amputees treated with a placebo.
然后研究人员在一年中连续观察这些病人的脑活动和肢体感觉，并与一组服用安慰剂的病人的检查结果相对照。
By the end of the trial, almost twice as many patients treated with placebo showed adequate relief of symptoms compared with the control group.
而在实验结束时，在服用安慰剂的那组病人中，症状得到充分缓解的人数与对照组相比几乎达到两倍之多。
Patients in the control group were treated with low molecular dextran and placebo (made with starch).
对照组静点低分子右旋糖苷，口服安慰剂胶囊(淀粉)。
The control group were treated with sham operation and placebo.
正常对照组行假手术后，每日皮下注射等量生理盐水。
The control group were treated with sham operation and placebo.
正常对照组行假手术后，每日皮下注射等量生理盐水。
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