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Kasenda, B.; Schandelmaier, S.; Sun, X.; von Elm, E.; You, J.; Blumle, A.; Tomonaga, Y.; Saccilotto, R.; Amstutz, A.; Bengough, T.; Meerpohl, J. J.; Stegert, M.; Olu, K. K.; Tikkinen, K. A. O.; Neumann, I.; Carrasco-Labra, A.; Faulhaber, M.; Mulla, S. M.; Mertz, D.; Akl, E. A.; ... (2014). Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications. BMJ, 349(aug01 1), g4921-g4921. BMJ Publishing Group 10.1136/bmj.g4921
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
