Respiratory symptoms in farmers.
D000382:Agricultural Workers' Diseases / Q000209:etiology* / Q000517:prevention & control; D000822:Animal Husbandry; D000818:Animals; D004391:Dust / Q000009:adverse effects*; D004784:Environmental Monitoring; D006801:Humans; D012140:Respiratory Tract Diseases / Q000209:etiology* / Q000517:prevention & control; D012307:Risk Factors
D004391:Dust