title: Epidemiological assessment of chronic nonspecific respiratory diseases in Poland.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D000402:Airway Obstruction / Q000209:etiology; D001249:Asthma / Q000453:epidemiology; D001991:Bronchitis / Q000453:epidemiology; D002648:Child; D002908:Chronic Disease; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology; D011044:Poland; D012140:Respiratory Tract Diseases / Q000453:epidemiology* / Q000209:etiology; D012907:Smoking / Q000150:complications