Letter to the Editor|Articles in Press

Many systematic reviews with a single author are indexed in PubMed

      We conducted a meta-research study to assess the frequency of self-titled systematic reviews with a single author indexed in PubMed and identified 3,035 single-author systematic reviews.
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      1. Cochrane Handbook for Systematic Reviews of Interventions version 6.2 (updated February 2021).
        in: Higgins J.P.T. Thomas J. Chandler J. Cumpston M. Li T. Page M.J. 2021 (Available at)
        Date accessed: March 15, 2021
        • Puljak L.
        If there is only one author or only one database was searched, a study should not be called a systematic review.
        J Clin Epidemiol. 2017; 91: 4-5