From the NLM Tech Bulletin:
On June 22, 2018, MEDLINE attained a major milestone when the 25 millionth journal citation was added to the database. This count includes citations created from the OLDMEDLINE project.
- This PubMed search retrieves the running count for MEDLINE, which is currently over 25 million citations:
- medline [sb]
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This PubMed search retrieves the running count for MEDLINE minus the OLDMEDLINE subset, which is currently over 23 million citations:
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