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Keywords
- Information retrieval[remove]4
- Database searching2
- Evidence-based medicine1
- Keyword searching1
- Medical subject headings (National Library of Medicine (U.S.))1
- Medicine -- Research -- Evaluation1
- National Institutes of Health (U.S.). PubMed Central1
- Online bibliographic searching1
- Scholarly periodicals -- Ratings and rankings1
- Social sciences -- Periodicals1
- Subject headings -- Medicine1