title: Animal carcinogen testing challenged.
authors.forename: J
authors.initials: J
authors.lastname: Marx
mesh_terms: D000818:Animals; D015197:Carcinogenicity Tests; D002455:Cell Division; D006801:Humans; D051379:Mice; D016296:Mutagenesis; D009369:Neoplasms / Q000139:chemically induced; D051381:Rats