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von Elm, Erik; Röllin, Alexandra; Blümle, Anette; Huwiler, Karin; Witschi, Mark; Egger, Matthias (2008). Publication and non-publication of clinical trials: longitudinal study of applications submitted to a research ethics committee. Swiss medical weekly, 138(13-14), pp. 197-203. Muttenz: EMH Schweizerischer Ärzteverlag
