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von Elm, E.; Altman, D.G.; Egger, M.; Pocock, S.J.; Gøtzsche, P.C.; Vandenbroucke, J.P. (2008). The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for reporting of observational studies. Notfall + Rettungsmedizin, 11(4), pp. 260-265. Springer-Medizin-Verlag 10.1007/s10049-008-1057-1
