Scopus, Web of Science, PubMed and MEDLINE: What Is the Difference?
These services are frequently mentioned together, but they do not perform exactly the same function.


Independent news and analysis on research and scholarly publishing — from JCF Corp.
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These services are frequently mentioned together, but they do not perform exactly the same function.
A single journal-level number cannot describe every article—or every researcher—published within a journal.
Journals are increasingly exposing information that once remained behind editorial systems.
More researchers are publishing work that can be read without institutional subscriptions, changing how research travels across universities and borders.