Blar i Publikasjoner fra Cristin - SIRUS på forfatter "Jones, Andrew Michael"
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Is cannabis a gateway to hard drugs?
Melberg, Hans Olav; Jones, Andrew Michael; Bretteville-Jensen, Anne Line (Journal article, 2010)The gateway hypothesis proposes that use of cannabis directly increases the risk of consuming hard drugs. We test this controversial, but influential, hypothesis on a sample of cannabis users, exploiting a unique set of ...