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Title/link | Description |
---|---|
British National Bibliography for Report Literature | |
Cochrane Collaboration | |
Cochrane Library | |
Cochrane Reviewers Handbook | Online searchable version. There's also a downloadable version for offline use. |
Controlled Trials Register | |
Embase | |
Medline | |
National Technical Information Service | |
PubMed | |
SIGLE | System for Information on Grey Literature in Europe |