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1·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。

2·Method: Take the method of random, double blindness and placebo control for research.

方法：采用随机、双盲、安慰剂对照的方法进行研究。

3·DESIGN: Randomized, single blind and placebo control prospective study based on patients.

设计：以患者为研究对象，随机、单盲、安慰剂对照的前瞻性研究。

4·Method: This clinical research adopts randomized blocks, double-blind and placebo control.

方法：采用区组随机、双盲、安慰剂平行对照临床试验。

5·This was a very carefully conducted study, and the placebo control makes the findings quite compelling, says Matthew J.

“这项实验实施过程很细心，安慰剂的对照结果也使研究成果很有说服力，”马修·j·埃利斯说。

6·There was no placebo control in this phase 1 study, but the apparent dose-dependent pain relief was encouraging to us, Fink says.

虽然在这项1期临床试验中并没有采用安慰剂进行对照，但是令我们感到鼓舞的是治疗导致的疼痛缓解作用具有明显的剂量-依赖关系。

7·Of course, we don't know whether this drug combination is equally effective as another active treatment because this was a placebo control trial.

当然，由于这是安慰剂对照的试验，我们不知道这种药物组合是否和其他治疗等效。

8·AIM: to observe the effect of melatonin in treating elderly patients with primary insomnia by using the objective evaluating method of double blind placebo control.

目的：应用双盲安慰剂对照的客观评估方法观察褪黑素对老年原发性失眠患者的治疗作用。

9·Participants were randomly assigned to either use green tea every day, as a beverage or capsule, or be part of control groups that took placebo capsules, drank a low-catechin tea or downed water.

实验的参与者被随机分配到每天都服用绿茶饮料或胶囊制品的实验组和服用安慰剂胶囊和喝低儿茶素的茶或者更直接饮用水的控制组。

10·Without the use of a control group it would be impossible to know what percentage of people report benefits due to receiving the drug rather than benefits due to a placebo effect.

如果不进行实验对照，很难知道人们声称的吃药的疗效比不吃药的安慰剂效应的疗效多百分之多少。