title: Canada: courageous canary.
authors.forename: Gorgina
authors.initials: G
authors.lastname: Lovell
mesh_terms: D002170:Canada; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008207:Lymphatic Metastasis; D008875:Middle Aged; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
chemical_list: D014028:Tobacco Smoke Pollution