title: [Sequential observations on development of esophageal carcinoma in Donryu rats induced by N-butyl-N-nitroso urethane (author's transl].
mesh_terms: D000818:Animals; D002273:Carcinogens; D004938:Esophageal Neoplasms / Q000139:chemically induced* / Q000473:pathology; D004945:Esophagoscopy; D008297:Male; D009374:Neoplasms, Experimental / Q000139:chemically induced / Q000473:pathology; D009605:Nitrosomethylurethane / Q000031:analogs & derivatives*; D051381:Rats; D013997:Time Factors; D014520:Urethane / Q000031:analogs & derivatives*
chemical_list: D002273:Carcinogens; D014520:Urethane; D009605:Nitrosomethylurethane; C011413:N-n-butyl-N-nitrosourethane