title: The use of cannabis. Report of a WHO scientific group.
mesh_terms: D002188:Cannabis; D003072:Cognition Disorders / Q000139:chemically induced; D003469:Culture; D006801:Humans; D011605:Psychoses, Substance-Induced / Q000209:etiology; D012106:Research; D012959:Socioeconomic Factors; D019966:Substance-Related Disorders / Q000453:epidemiology; D014944:World Health Organization