ENVIRONMENTAL AND CLINICAL INVESTIGATION OF  WORKMEN EXPOSED TO DIESEL EXHAUST IN RAILROAD ENGINE HOUSES.
D000397:Air Pollution; D004777:Environment; D005740:Gases; D006801:Humans; D009784:Occupational Diseases; D011890:Railroads; D012140:Respiratory Tract Diseases; D013223:Statistics as Topic; D014116:Toxicology; D014481:United States; D001335:Vehicle Emissions
D005740:Gases; D001335:Vehicle Emissions
AIR POLLUTION; GASES; OCCUPATIONAL DISEASES; RAILROADS; RESPIRATORY TRACT DISEASES; STATISTICS; TOXICOLOGIC REPORT; UNITED STATES