title: [Biochemical study of the position specificity of rat gastrointestinal cancer induced by MNNG].
mesh_terms: D000284:Administration, Oral; D000818:Animals; D004379:Duodenal Neoplasms / Q000139:chemically induced*; D006147:Guanine / Q000031:analogs & derivatives / Q000032:analysis; D007580:Jejunal Neoplasms / Q000139:chemically induced*; D008769:Methylnitronitrosoguanidine / Q000008:administration & dosage; D051381:Rats; D011919:Rats, Inbred Strains; D013274:Stomach Neoplasms / Q000139:chemically induced*
chemical_list: D008769:Methylnitronitrosoguanidine; D006147:Guanine; C008450:7-methylguanine; C008449:O-(6)-methylguanine