The related articles on the motor disturbance treatment of children were included, and the literatures with non-randomized trials and blind control were not excluded.

按儿童运动障碍治疗进展对相关文献进行提炼，纳入与儿童运动障碍治疗相关文献，不排除未随机试验以及盲法对照的文献。

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In all, 42 trials met the inclusion criteria of a follow-up period of at least 24 weeks, the use of a randomized control group, and the availability of outcome data on mi and cardiovascular death.

在符合选择标准的所有42个至少24个星期时间的后续实验，试验采用随机对照组，有效的心梗与心血管死亡数据。

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Randomized controlled trials comparing methods of pain control in first trimester surgical abortion at less than 14 weeks gestational age using electric or manual suction aspiration.

在第一孕期小于14周使用电动或手动真空抽吸实施的人工流产，以随机对照性的临床试验比较疼痛控制的方法。

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Karlan, Appel, Duflo and Banerjee tackle that question through randomized control trials (RCTs).

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While high-end evaluation methods like randomized control trials (RCTs) are the surest means of determining what interventions in fact cause certain outcomes, they are also time-consuming and costly and beyond the means of many, if not most, mainstream nonprofits.

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These are the gold standard randomized control trials or intervention studies, in which a control group consuming soda is monitored for weight gain over time against a group which stops drinking soda (and all other dietary and lifestyle factors are controlled for).

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