Abstract: Objective To study the expression and significance of proliferating cell nuclear antigen(PCNA) in diagnosis of carcinomatous conversion of oral mucosal epithelium.

• 文摘:目的研究增殖细胞核抗原(PCNA)在口腔粘膜上皮癌变过程中的表达及其在癌变诊断中的意义。