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Effect of aminoguanidine on MNNG-induced gastric carcinogenesis. Macroscopic analysis of stomachs after treatment with MNNG (A), MNNG plus aminoguanidine (MNNG+AG; B), and water (Control; C). Raised lesions (arrows). Bars: 10 mm. Histopathological analysis of adenocarcinomas in animals treated with MNNG (D) and MNNG+AG (E). Stain: hematoxylin & eosin. Bars: 50 μm.
