[Data on the prevalence of chronic bronchitis].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D001991:Bronchitis / Q000453:epidemiology* / Q000209:etiology; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D012383:Romania; D012424:Rural Population; D012737:Sex Factors; D012907:Smoking / Q000150:complications; D014505:Urban Population
Date cu privire la prevalenţa bronşitei cronice