[Epidemiological studies of chronic bronchitis in a sample of the general population of Bucharest].
D000328:Adult; D000367:Age Factors; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012383:Romania; D012737:Sex Factors; D012907:Smoking / Q000150:complications; D014505:Urban Population
Cerecetări epidemiologice privind bronşita cronică la un lot din populaţia generală a orasului Bucureşti.