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Effect of combined vitamin D and indomethacin treatment on histopathological changes in the rat colon. Slides were stained using H&E. (A) Control group (magnification, x10). (B) Carcinogenic group (magnification, x40). (C) Prophylactic group (magnification, 10). (D) Vitamin D + indomethacin group (magnification, x40). (E) 5-FU group (magnification, x40). H&E, hematoxylin and eosin; 5-FU, 5-flurouracil.
