Identifying relevant studies for systematic reviews

Abstract
EDITOR,—We agree with Kay Dickersin and colleagues' recommendations regarding the need for improved reporting of randomised controlled trials by authors and improved indexing of such trials in electronic databases.1 We wish to make two additional points on the basis of our experience of searching for randomised controlled trials related to stroke. Firstly, there is a need for improved indexing in Medline (and other databases) of the medical subjects as well as the terms used …

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