title: Lung cancer in butchers.
mesh_terms: D003718:Denmark; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008460:Meat / Q000009:adverse effects*; D009784:Occupational Diseases / Q000453:epidemiology / Q000209:etiology*; D009790:Occupations; D013548:Sweden