Cite
HARVARD Citation
Piontek, D. et al. (2012). An age–period–cohort analysis of cannabis use prevalence and frequency in Germany, 1990–2009. Journal of epidemiology and community health. 66 (10), pp. 908-913. [Online].
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Piontek, D. et al. (2012). An age–period–cohort analysis of cannabis use prevalence and frequency in Germany, 1990–2009. Journal of epidemiology and community health. 66 (10), pp. 908-913. [Online].