We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleReaching out towards cannabis: approach-bias in heavy cannabis users predicts changes in cannabis use.AuthorsCousijn, Janna; Goudriaan, Anna E.; Wiers, Reinout W.PublicationAddiction, 2011, Vol 106, Issue 9, p1667ISSN0965-2140Publication typearticleDOI10.1111/j.1360-0443.2011.03475.x