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Petersen, K. U., & Thomasius, R. (2007). Auswirkungen von Cannabiskonsum und -missbrauch : eine Expertise zu gesundheitlichen und psychosozialen Folgen : ein systematisches Review der international publizierten Studien von 1996-2006. Lengerich: Pabst.
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Linnell, M. (1995). Potology : Dr. Nuke's guide to the science of cannabis and the sociology of getting stoned. Manchester: Lifeline.
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Geyer, S., & Wurth, G. (2008). Rauschzeichen : Cannabis : alles was man wissen muss. Köln: Kiepenheuer & Witsch.
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various. (1990). Cannabis : frequently asked questions. Manchester: Lifeline.
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various. (1990). Everything you wanted to know about cannabis, but were afraid to ask your kids : with Peanut Pete and friends. Manchester: Lifeline.
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various. (1990). Everything you wanted to know about cannabis, but were afraid to ask your kids : with Peanut Pete and friends. Manchester: Lifeline.
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various. (1990). The lads go mad in Amsterdam : with Peanut Pete. Manchester: Lifeline.
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various. (2000). Getting off Cannabis. Jersey: Health Promotion Unit.
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Redecker, T. - G. (1998). Cannabis. Kassel: Nicol-Verlag.
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Joy, J. E., Watson, S. J., & Benson, J. A. (1999). Marijuana and Medicine : Assessing the Science Base : executive summary. Washington: National Academy Press.
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