[The role of field surveys in the early detection of chronic obstructive lung diseases].
D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D002908:Chronic Disease; D002980:Climate; D006306:Health Surveys; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis* / Q000453:epidemiology; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009790:Occupations; D012383:Romania; D012424:Rural Population; D012907:Smoking / Q000150:complications; D014505:Urban Population
Rolul anchetelor de teren în depistarea precoce a pneumopatiei cronice obstructive