placebo GRE

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯苯乙胍患者比服用安慰患者有更明睡、头昏、口干等症状。

In the testees with medium and high sea-sickness susceptibility, however, placebo showed no effect and dry ginger root powder was superior to dimenhydrinate inhibiting sea-sickness.

对中度及高度敏感受试者，安慰无效，干姜粉晕船效果优于晕海宁。