Editorial Snapshot: Research Integrity in the Age of Fabricated Citations and Paper Mills
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- Published: 2026/06/17
A major new audit published in The Lancet has exposed the growing infiltration of fabricated citations into the peer-reviewed biomedical literature. Researchers at Columbia University analyzed approximately 2.5 million papers published between January 2023 and early 2026, identifying 4,046 fabricated references across 2,810 papers. These non-existent citations (references whose claimed titles do not match any real publication in major databases) rose dramatically: from roughly 1 in 2,828 papers in 2023 to 1 in 458 in 2025, and further to 1 in 277 in the first weeks of 2026. The surge aligns with the widespread adoption of generative AI tools and the activities of paper mills.



