A survey of respiratory disease among New York City postal and transit workers. I. Prevalence of symptoms.
D000328:Adult; D000367:Age Factors; D000397:Air Pollution; D001991:Bronchitis / Q000453:epidemiology; D002481:Cellulitis / Q000453:epidemiology; D002908:Chronic Disease; D004781:Environmental Exposure; D005006:Ethnicity; D005500:Follow-Up Studies; D006334:Heart Function Tests; D006801:Humans; D008875:Middle Aged; D009518:New York; D009784:Occupational Diseases / Q000453:epidemiology*; D011177:Postal Service; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000453:epidemiology*; D012907:Smoking