Occupational asthma in a developing country.
Syabbalo
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D000328:Adult; D000368:Aged; D001249:Asthma / Q000453:epidemiology / Q000209:etiology*; D003906:Developing Countries; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology; D015024:Zambia / Q000453:epidemiology