title: OCCUPATIONAL EXPOSURE AS A FACTOR IN RESPIRATORY IMPAIRMENT.
mesh_terms: D000397:Air Pollution; D001991:Bronchitis; D004391:Dust; D005740:Gases; D006801:Humans; D016273:Occupational Exposure; D012140:Respiratory Tract Diseases; D014116:Toxicology
chemical_list: D004391:Dust; D005740:Gases
keywords: AIR POLLUTION; BRONCHITIS; DUST; GASES; RESPIRATORY TRACT DISEASES; REVIEW; TOXICOLOGIC REPORT