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\bibitem{Bela_etal2008} B{\'e}la, F., Bolliger, H. - J., Brigger, H., Meili, B., \& Niklaus, S. (2008). \textit{Pr{\'e}vention dans le sport}. Berne: Office f{\'e}d{\'e}ral de la sant{\'e} publique (OFSP); Swiss Olympic Association; Office f{\'e}d{\'e}ral du sport.

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