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Photomicrograph of epidermal growth factor (EGF) immunoexpression in the oral mucosal of hamster with oral mucositis induced by 5-Fluorouracil (5-FU), increased by 400×. (a,b) Group supplemented with glycine showed lower EGF immunoexpression, when compared to the control group (c,d) an increase in epidermal growth factor expression was observed.
