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\bibitem{Simon_etal2001} Simon, R., Hoch, E., H{\"u}llinghorst, R., N{\"o}cker, G., \& David-Spickermann, M. (2001). \textit{Report on the drug situation in Germany 2001}. Report on the drug situation in Germany. Berlin: Deutsche Referenzstelle f{\"u}r die Europ{\"a}ische Beobachtungsstelle f{\"u}r Drogen und Drogensucht (DBDD).

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