In a 2007 study in the Cochrane Database of Systematic Reviews, researchers pooled and analyzed the results of a half dozen clinical trials looking at the effects of caffeine on asthmatics.

科克伦系统评价数据库于2007年收录的一份研究报告显示，研究人员曾集中分析了六例临床实验病例，以观察咖啡因对哮喘的疗效。

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We've only begun to study the impact of such caching on our database performance, but early results are promising.

虽然我们的研究还仅限于缓存对数据库性能所造成的影响，但早期的结果还是很有希望的。

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The goal of the National Children's Study is to create a database that researchers around the world can use.

这次全国性儿童研究的目标是建立一个数据库供世界各地的研究人员使用。

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Study of the database indicates that as society's attitudes change, so do the terms children use as their "nuclear words" - especially harsh insults.

BBC: Refugee: today's playground insult?

Hiatt said that the database from the New England Journal study was also not made available to the FDA, making it difficult for the panel to consider them.

FORBES: Magazine Article

Instead, the study tracked patients from a national database--and the patients who got the drug-coated stents were sicker.

FORBES: Stents, Smoke And Fire