We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCannabis use and psychosis: a longitudinal population-based study.Authorsvan Os J; Bak M; Hanssen M; Bijl RV; de Graaf R; Verdoux HPublicationAmerican journal of epidemiology, 2002, Vol 156, Issue 4, p319ISSN0002-9262Publication typearticleDOI10.1093/aje/kwf043