title: [Pathological studies on rat colonic tumors induced by 1,2-dimethylhydrazine and N-Methyl-N'-Nitro-N-Nitrosoguanidine, with special reference to aging factors of animals, different carcinogen administration, and histogenesis of developed tumors].
mesh_terms: D000375:Aging; D000818:Animals; D003110:Colonic Neoplasms / Q000139:chemically induced / Q000473:pathology*; D004127:Dimethylhydrazines / Q000008:administration & dosage; D005260:Female; D008297:Male; D008763:Methylhydrazines / Q000008:administration & dosage; D009374:Neoplasms, Experimental / Q000139:chemically induced / Q000473:pathology; D009604:Nitrosoguanidines / Q000008:administration & dosage; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D004127:Dimethylhydrazines; D008763:Methylhydrazines; D009604:Nitrosoguanidines