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\bibitem{Liddle_etal2008} Liddle, H. A., Dakof, G. A., Turner, R. M., Henderson, C. E., \& Greenbaum, P. E. (2008). Treating adolescent drug abuse : a randomized trial comparing multidimensional family therapy and cognitive behavior therapy. \textit{Addiction}, \textit{103}(10; 10/2008), 1660--1670.

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