Ward, J M Intestinal tumors in mice treated with a single injection of N-nitroso-N-butylurea. [electronic resource] - Cancer research Aug 1975 - 1938-43 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0008-5472 Subjects--Topical Terms: Adenocarcinoma--chemically inducedAdenoma--chemically inducedAge FactorsAnimalsCarcinogensDose-Response Relationship, DrugDuodenumIntestinal Neoplasms--chemically inducedIntestine, SmallLiver Neoplasms--chemically inducedLung Neoplasms--chemically inducedMiceMice, Inbred C57BLNeoplasms, Experimental--chemically inducedNitrosourea CompoundsPylorusStomach Neoplasms--chemically induced