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MEDLINE
Periodicals
Subject Headings
MEDLARS
User Computer Interface
Bibliographic Databases
Review Literature
Sensitivity and Specificity
Grateful Med
Medical Subject Headings
Research Design
Information Storage and Retrieval
Abstracting and Indexing as Topic
Information Services
United States
Ontario
Evidence-Based Medicine
Continuing Medical Education
Physicians
Microcomputers
Co-Publications
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5
4
3
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