title: Airborne bacteria and the prevalence of byssinotic symptoms in 21 cotton spinning mills in Lancashire.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000391:Air Microbiology; D001419:Bacteria / Q000302:isolation & purification*; D002095:Byssinosis / Q000453:epidemiology*; D004739:England; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged