The health effect of air pollution on elderly males.
D000368:Aged; D000397:Air Pollution; D002980:Climate; D006801:Humans; D008297:Male; D009784:Occupational Diseases; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases
AIR POLLUTION; CLIMATE; OCCUPATIONAL DISEASES; RESPIRATORY DISEASES; RESPIRATORY FUNCTION TESTS