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\bibitem{Fabian_etal2007} Fabian, C., M{\"u}ller, C., \& Guhl, J. (2007). Fr{\"u}herkennung und Fr{\"u}hintervention in der Schule. \textit{SuchtMagazin}, \textit{33}(2; 04/2007), 3--8.

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