File:Colonic epithelia from mice with colonic tumorigenesis (A, B), or mice without colonic tumorigenesis (C, D), immunostained (brown) for 8-oxo-dG, cell nuclei stained daark blue with hematoxylin. Scale bars show 50 microns.jpg
![File:Colonic epithelia from mice with colonic tumorigenesis (A, B), or mice without colonic tumorigenesis (C, D), immunostained (brown) for 8-oxo-dG, cell nuclei stained daark blue with hematoxylin. Scale bars show 50 microns.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Colonic_epithelia_from_mice_with_colonic_tumorigenesis_%28A%2C_B%29%2C_or_mice_without_colonic_tumorigenesis_%28C%2C_D%29%2C_immunostained_%28brown%29_for_8-oxo-dG%2C_cell_nuclei_stained_daark_blue_with_hematoxylin._Scale_bars_show_50_microns.jpg/746px-thumbnail.jpg?20150714005245)
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