title: Quartz but not iron oxide causes airflow obstruction, emphysema, and small airways lesions in the rat.
authors.forename: A G
authors.initials: AG
authors.lastname: Heppleston
mesh_terms: D000818:Animals; D001980:Bronchi / Q000473:pathology; D004391:Dust / Q000009:adverse effects*; D005290:Ferric Compounds; D011656:Pulmonary Emphysema / Q000209:etiology* / Q000473:pathology; D011791:Quartz; D051381:Rats; D012822:Silicon Dioxide
chemical_list: D004391:Dust; D005290:Ferric Compounds; D011791:Quartz; C000499:ferric oxide; D012822:Silicon Dioxide