Chronic bronchitis and emphysema in Nepal.
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009390:Nepal; D011656:Pulmonary Emphysema / Q000453:epidemiology*