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On occasion, a Cochrane Review or a Protocol for a Cochrane Review may be developed by different author teams concurrently but independently. This can be avoided if a Cochrane Review Group has a good communication system, but occasionally duplication does occur. In this situation the different author teams should be encouraged to combine their energies and produce a single Cochrane Review, or alternatively split the topic into two Cochrane Reviews, taking care not to duplicate effort in the process. To help to avoid such duplication, titles of new Cochrane Reviews are registered in Archie (see section on Archie). Publishing the titles of protocols under development in the Cochrane Review Group’s newsletter may also help to avoid duplication.
Potential overlap with ongoing or published reviews