title: Studies on N-butyl-N-nitrosourethan-induced cancers of the esophagus and the forestomach of rats.
mesh_terms: D000818:Animals; D001761:Bleomycin / Q000378:metabolism; D002294:Carcinoma, Squamous Cell / Q000139:chemically induced / Q000378:metabolism / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000139:chemically induced / Q000378:metabolism / Q000473:pathology*; D009374:Neoplasms, Experimental; D009605:Nitrosomethylurethane / Q000031:analogs & derivatives*; D051381:Rats; D013274:Stomach Neoplasms / Q000139:chemically induced / Q000378:metabolism / Q000473:pathology*; D014520:Urethane / Q000031:analogs & derivatives*
chemical_list: D001761:Bleomycin; D014520:Urethane; D009605:Nitrosomethylurethane