Prevalence of respiratory symptoms, chronic bronchitis and pulmonary emphysema in a Finnish rural population. Field survey of age group 40-64 in the Harjavalta area.
D000328:Adult; D000375:Aging; D001249:Asthma / Q000453:epidemiology*; D001991:Bronchitis / Q000453:epidemiology*; D003371:Cough / Q000453:epidemiology; D004812:Epidemiologic Methods; D004813:Epidemiology; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D008875:Middle Aged; D009026:Mortality; D009790:Occupations; D011656:Pulmonary Emphysema / Q000453:epidemiology*; D013902:Radiography, Thoracic; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000453:epidemiology*; D012723:Sex; D012907:Smoking; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology