title: The health of Canadian grain workers.
mesh_terms: D000382:Agricultural Workers' Diseases / Q000209:etiology*; D004391:Dust; D002523:Edible Grain / Q000009:adverse effects*; D006801:Humans; D009784:Occupational Diseases / Q000209:etiology*; D012140:Respiratory Tract Diseases / Q000209:etiology*
chemical_list: D004391:Dust