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Effects of AN on the pathology of gastric ulcer induced by HCl/ethanol in mice. The gastric tissue was fixed with 10% formaldehyde, embedded in paraffin, sliced with a microtome, and stained with hematoxylin and eosin (H&E, 200x). (a) CON group; (b) CON + AN group; (c) HCl/ethanol group; (d) HCl/ethanol + AN group; and (e) HCl/ethanol + RAN group. Arrows indicate endothelial erosion and ulceration.
