Drug control: three analogies.
D002170:Canada; D006801:Humans; D007206:Individuality; D007603:Jurisprudence; D007880:Legislation, Drug / Q000639:trends; D010686:Philosophy, Medical; D011634:Public Health; D012941:Social Responsibility; D019966:Substance-Related Disorders / Q000331:legislation & jurisprudence / Q000517:prevention & control / Q000523:psychology*