The opportunist mycobacteria--a 20-year retrospect.
D000397:Air Pollution; D004391:Dust; D005260:Female; D006801:Humans; D008297:Male; D009164:Mycobacterium Infections / Q000453:epidemiology*; D009784:Occupational Diseases / Q000453:epidemiology; D014376:Tuberculosis / Q000453:epidemiology; D014852:Wales
D004391:Dust