title: Effects of NO2 on the lungs of aging rats. II. Cell proliferation.
mesh_terms: D000375:Aging; D000818:Animals; D001980:Bronchi / Q000473:pathology; D002455:Cell Division / Q000187:drug effects; D004848:Epithelium / Q000473:pathology; D008168:Lung / Q000187:drug effects* / Q000473:pathology; D008264:Macrophages / Q000473:pathology; D008297:Male; D009585:Nitrogen Dioxide / Q000506:poisoning*; D011650:Pulmonary Alveoli / Q000473:pathology; D051381:Rats
chemical_list: D009585:Nitrogen Dioxide