Experimentally produced precancerosis of the lung in rats.
D000818:Animals; D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D008175:Lung Neoplasms / Q000209:etiology*; D008679:Metaplasia / Q000139:chemically induced*; D008748:Methylcholanthrene; D051381:Rats
D008748:Methylcholanthrene