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. 2025 Oct 10;32(1):e101448.
doi: 10.1136/bmjhci-2025-101448.

Inflation of the journal impact factor

Affiliations

Inflation of the journal impact factor

Jennifer Ziegler et al. BMJ Health Care Inform. .
No abstract available

Keywords: Health Equity.

PubMed Disclaimer

Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1. The annual journal impact factors of selected general medicine journals from 2006 to 2023. (a) Journals from high-income countries and (b) Journals from low- and middle-income countries. Source: data from Journal Citation Reports, provided by Clarivate. Journal Citation Reports and Clarivate are trademarks of their respective owners and here used with permission.

References

    1. Neff BD, Olden JD. Not So Fast: Inflation in Impact Factors Contributes to Apparent Improvements in Journal Quality. Bioscience. 2010;60:455–9. doi: 10.1525/bio.2010.60.6.9. - DOI
    1. Journal Citation Reports 2006-2023 journal impact factors. 2007
    1. Yeo-Teh NSL, Tang BL. An alarming retraction rate for scientific publications on Coronavirus Disease 2019 (COVID-19) Account Res. 2021;28:47–53. doi: 10.1080/08989621.2020.1782203. - DOI - PubMed
    1. Ioannidis JPA, Bendavid E, Salholz-Hillel M, et al. Massive covidization of research citations and the citation elite. Proc Natl Acad Sci U S A . 2022;119:e2204074119. doi: 10.1073/pnas.2204074119. - DOI - PMC - PubMed
    1. Muula AS. Medical journalism and authorship in low income countries. Croat Med J. 2008;49:681–3. doi: 10.3325/cmj.2008.5.681. - DOI - PMC - PubMed

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