Grass-roots of dependency.
Aronson
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D002188:Cannabis; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007880:Legislation, Drug; D002189:Marijuana Abuse / Q000266:history*; D019966:Substance-Related Disorders / Q000266:history; D009626:Terminology as Topic