title: Canada: demolishing the power walls.
authors.forename: Lynn
authors.initials: L
authors.lastname: Greaves
mesh_terms: D002170:Canada; D006801:Humans; D040541:Marketing / Q000331:legislation & jurisprudence*; D012907:Smoking / Q000331:legislation & jurisprudence; D000074606:Smoking Prevention; D019460:Tobacco Industry / Q000331:legislation & jurisprudence*