Take, for example, those 19 million studies on PubMed.Some are gold-standard research: large, randomized, controlled clinical trials or meta-analyses that carefully parse millions of data points.
就拿PubMed上的1900万份研究论文来说，一小部分堪称一流：大型，随机，受控的临床试验和结果的荟萃分析与论文提供的数据相当吻合。
Take, for example, those 19 million studies on PubMed. Some are gold-standard research: large, randomized, controlled clinical trials or meta-analyses that carefully parse millions of data points.
就拿PubMed上的1900万份研究论文来说，一小部分堪称一流：大型，随机，受控的临床试验和结果的荟萃分析与论文提供的数据相当吻合。
Good drug administration procedures should ensure the smooth implementation of large - scale multi-center randomized controlled trials and increase their reliability and usefulness.
利用中心随机化系统在药品管理方面的优势，可以确保大样本多中心随机对照试验的顺利实施。
Manuscripts on epidemiological studies, studies of social medicine, clinical trials, especially large scale randomized controlled trials are welcome.
流行病学研究的手稿，社会医学，临床试验，特别是大规模的研究随机对照试验的欢迎。
There is no evidence showed systematic side effect. So it is necessary that rigorously designed high quality, large-scale randomized controlled trials are required.
尚无证据表明其有系统性副作用，有必要进行更多方法学质量高，试验设计严格，大规模的随机对照试验。
There is no evidence showed systematic side effect. So it is necessary that rigorously designed high quality, large-scale randomized controlled trials are required.
尚无证据表明其有系统性副作用，有必要进行更多方法学质量高，试验设计严格，大规模的随机对照试验。
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