title: Respiratory changes in two groups of flax workers with different exposure pattern.
mesh_terms: D000293:Adolescent; D000328:Adult; D001991:Bronchitis / Q000150:complications; D002095:Byssinosis / Q000150:complications / Q000503:physiopathology*; D002908:Chronic Disease; D003371:Cough / Q000150:complications; D004391:Dust / Q000032:analysis; D004417:Dyspnea / Q000150:complications; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking; D013147:Spirometry; D013183:Sputum / Q000378:metabolism; D013783:Textile Industry
chemical_list: D004391:Dust