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Cochrane Central Register of Controlled Trials (CENTRAL)

Alternate Titles: CENTRAL or CCTR

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Cochrane Central Register of Controlled Trials (CENTRAL) is the Cochrane Collaboration's register of controlled trials. The register provides bibliographic information (i.e. abstracts rather than full-text) for nearly 350,000 reports of trials identified by contributors to the Cochrane Collaboration. CENTRAL provides individual reviewers with easy and reliable access to the maximum possible number of trials relevant to their review topic. Trials are identified from multiple sources, including searches of bibliographic databases beyond MEDLINE, handsearches of many hundreds of journals and conference proceedings, and searches of other trial registers. Since the overriding aim is to create an unbiased source of data for systematic reviews, all known controlled trials are included irrespective of language of publication or where and when the studies were conducted.



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