Grain dust and health.
D004391:Dust; D002523:Edible Grain / Q000009:adverse effects*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology*; D009784:Occupational Diseases / Q000209:etiology*; D012130:Respiratory Hypersensitivity / Q000209:etiology*
D004391:Dust