Asthma and chronic bronchitis in Africa. Evidence from epidemiologic studies.
Chaulet
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P
D000349:Africa; D001249:Asthma / Q000453:epidemiology*; D001991:Bronchitis / Q000453:epidemiology*; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D012307:Risk Factors