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Non-steroidal anti-inflammatory drugs (NSAIDs) are connected with the generation of free radicals and one of its adverse effects is gastric ulceration. Ulceration was induced orally using aspirin. Twenty-four male Wistar rats were used for this study (120-150g). Rats were divided into 6 groups with each group containing 4 rats. Rats were pre-treated orally with cimetidine, a reference drug. Group...