title: Proliferative activity of keratoacanthoma and para-aramid-induced keratinizing squamous lesions of the lungs of rats as assessed by the proliferating cell nuclear antigen and nucleolar organizer regions.
authors.affiliation: Du Pont Company, Haskell Laboratory for Toxicology and Industrial Medicine Newark, DE, USA.
authors.forename: S R
authors.initials: SR
authors.lastname: Frame
authors.forename: D M
authors.initials: DM
authors.lastname: Janney
authors.forename: D B
authors.initials: DB
authors.lastname: Warheit
mesh_terms: D000818:Animals; D002455:Cell Division; D003560:Cysts / Q000473:pathology; D003937:Diagnosis, Differential; D007150:Immunohistochemistry; D007636:Keratoacanthoma / Q000473:pathology*; D008171:Lung Diseases / Q000139:chemically induced / Q000473:pathology*; D009697:Nucleolus Organizer Region / Q000378:metabolism*; D011108:Polymers / Q000009:adverse effects*; D018809:Proliferating Cell Nuclear Antigen / Q000032:analysis*; D051381:Rats; D012871:Skin Diseases / Q000473:pathology*
chemical_list: C039578:Kevlar Aramid fibers; D011108:Polymers; D018809:Proliferating Cell Nuclear Antigen