1·CHICAGO (Reuters) - Healthy people are increasingly turning to brain-enhancing drugs like Ritalin to boost their performance in school or at work, researchers said on Monday.
芝加哥(Reuters) -研究人员在星期一表示,越来越多的健康人开始使用脑增强药物,比如利他林,来提高他们在学习或者工作中的表现。
2·Using the method of literal data, this paper analyzed two main evaluation methods for curative effect which is commonly used comparing with self random comparison design and Ritalin curative effect.
文中主要采用文献资料法,对目前常用的随机对照设计和与利他林疗效相比较的两种主要疗效评估方法进行了综合分析。