In meta-analyses of proportion studies, funnel plots were found to be an inaccurate method of assessing publication bias
Hunter, James P ; Saratzis, Athanasios ; Sutton, Alex J ; Boucher, Rebecca H ; Sayers, Robert D ; Bown, Matthew J
Journal of clinical epidemiology, 2014-08, Vol.67 (8), p.897-903 [Periódico revisado por pares]New York, NY: Elsevier Inc
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