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Suris, Joan-Carles; Bélanger, Richard E.; Akre, Christina; Berchtold, André (2016). Changes in cannabis and tobacco use trajectories from age 17 to age 23. In: Scharenberg, Katja; Hupka-Brunner, Sandra; Meyer, Thomas; Bergman, Manfred Max (eds.) Transitionen im Jugend- und jungen Erwachsenenalter = Transitions des adolescents et des jeunes adultes en Suisse = Transitions in youth and young adulthood study, Vol. 2 (pp. 252-267). Zurich: Seismo
