[Prevalence of chronic bronchitis in an urban and a rural area of Santiago and its relation to the degree of air pollution].
D000328:Adult; D000368:Aged; D000397:Air Pollution; D001991:Bronchitis / Q000139:chemically induced / Q000453:epidemiology*; D002677:Chile; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012424:Rural Population; D012621:Seasons; D014505:Urban Population
Prevalencia de la bronquitis crónica en un área urbana y una rural de Santiago y su relación con el grado de contaminación atmosférica.