Are the Cochrane group registers comprehensive? A case study of Japanese psychiatry trials

<p>Abstract</p> <p>Background</p> <p>Language bias is a form of publication bias and constitutes a serious threat to meta-analyses. The Cochrane Controlled Trials Register is one attempt to remedy this and now contains more than 300,000 citations. However we are still u...

Full description

Bibliographic Details
Main Authors: McGuire Hugh, Adams Clive E, Inada Toshiya, Furukawa Toshi A, Inagaki Ataru, Nozaki Shoko
Format: Article
Language:English
Published: BMC 2002-04-01
Series:BMC Medical Research Methodology
Online Access:http://www.biomedcentral.com/1471-2288/2/6