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PubMed total records by publication year

Published by National Library of Medicine | U.S. Department of Health & Human Services | Catalog Last Checked: August 08, 2025 at 03:49 PM | Dataset Last Updated: June 18, 2025
Yearly citation totals from each year of the MEDLINE/PubMed Baseline referencing citations back to year 1781. These totals may increase over time for a particular year as new citations are added. For example, 25 citations were listed for the year 1800 in the 2018 MEDLINE/PubMed Baseline, while the 2019 Baseline includes 387 citations for that year.

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