Respiratory findings and urban living.
D000328:Adult; D000367:Age Factors; D000397:Air Pollution; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D012044:Regression Analysis; D012111:Residence Characteristics; D012140:Respiratory Tract Diseases / Q000453:epidemiology / Q000209:etiology*; D012907:Smoking / Q000150:complications; D013147:Spirometry; D013183:Sputum; D013689:Telephone; D014481:United States; D014505:Urban Population