Smoking habits and respiratory symptoms of Dunedin public servants.
D000288:Administrative Personnel; D000328:Adult; D000367:Age Factors; D000402:Airway Obstruction / Q000453:epidemiology; D002908:Chronic Disease; D003371:Cough / Q000453:epidemiology*; D005260:Female; D006077:Government Agencies; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D009520:New Zealand; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology*; D013183:Sputum