Leads from the MMWR. Recent trends in illicit drug use among young people--Canada.
D000293:Adolescent; D000328:Adult; D002170:Canada; D002188:Cannabis; D002648:Child; D006801:Humans; D013287:Illicit Drugs; D019966:Substance-Related Disorders / Q000453:epidemiology*
D013287:Illicit Drugs