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Dwan, Kerry; Altman, Douglas G; Arnaiz, Juan A; Bloom, Jill; Chan, An-Wen; Cronin, Eugenia; Decullier, Evelyne; Easterbrook, Philippa J; Von Elm, Erik; Gamble, Carrol; Ghersi, Davina; Ioannidis, John P A; Simes, John; Williamson, Paula R (2008). Systematic review of the empirical evidence of study publication bias and outcome reporting bias. PLoS ONE, 3(8), e3081. Lawrence, Kans.: Public Library of Science 10.1371/journal.pone.0003081
