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Photomicrograph of the platelet (PDGF) immunoexpression in the oral mucosa of hamster with oral mucositis induced by 5-FU nodia 7 (400×). (a,b) Group supplemented with glycine showed less immunoexpression of the platelet derived growth factor. (c,d) In the control group, greater PDGF immunoexpression was observed, when compared to the group supplemented with glycine.
