目的观察表皮生长因子受体（EGFR）在口腔复发性阿弗他溃疡（RAU） 组织中蛋白和基因表达变化。
Objective To explore the expression change of protein and mRNA of EGFR(epidermal growth factor receptor)in RAU(recurrent aphthous ulcer).
目的观察表皮生长因子受体（EGFR）在口腔复发性阿弗他溃疡（RAU） 组织中蛋白和基因表达变化。
Objective To explore the expression change of protein and mRNA of EGFR(epidermal growth factor receptor)in RAU(recurrent aphthous ulcer).
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