Methods With the use of immunohistochemistry and flow cytometry , the features of p16, p21 and DNA expression in 68 tumors and their contiguous acini were studied.

• 方法 应用免疫组织化学、流式细胞术对 68例腮腺肿瘤及瘤旁腺泡p16、p2 1的表达和DNA定量进行了分析。