Methods Use flow cytometry (FCM) and immunologic techniques to detect DNA Index(DI) and cellular proliferation activity(PI).

• 方法 采用流式细胞术 (FCM)和免疫荧光技术对胃癌及癌前病变的细胞中DNA含量 (DI值 )、细胞增殖活性 (PI值 )进行定量检测。