title: Crackdown on factory farm drug use urged.
authors: Paul Christopher
authors: PC
authors: Webster
mesh_terms: D002170:Canada / Q000453:epidemiology; D017277:Drug Approval / Q000331:legislation & jurisprudence*; D004335:Drug and Narcotic Control / Q000331:legislation & jurisprudence*; D035082:Federal Government; D006801:Humans; D015994:Incidence; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000517:prevention & control*