title: Correspondance: Waddell WJ, Thresholds in chemical carcinogenesis: what are animal experiments telling us?
authors.forename: David
authors.initials: D
authors.lastname: Gaylor
mesh_terms: D015073:2-Acetylaminofluorene / Q000633:toxicity; D000818:Animals; D000830:Animals, Laboratory; D015197:Carcinogenicity Tests / Q000662:veterinary*; D002273:Carcinogens / Q000633:toxicity; D002471:Cell Transformation, Neoplastic / Q000187:drug effects / Q000473:pathology*; D004305:Dose-Response Relationship, Drug; D051379:Mice; D009374:Neoplasms, Experimental / Q000139:chemically induced* / Q000473:pathology; D036401:Toxicity Tests, Chronic / Q000662:veterinary*; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced / Q000473:pathology / Q000662:veterinary*
chemical_list: D002273:Carcinogens; D015073:2-Acetylaminofluorene