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研究应用免疫组织化学ＰＡＰ法显示胃窦幽门脉内啡肽（ＥＰ）阳性细胞，通过真彩色图象分析系统，检测非病变区胃窦幽门腺ＥＰ阳性细胞的阳性反应点灰度和面积，计算灰度密度Ｒ，以探讨与溃疡的关系，并为十二指肠溃疡幽门腺阳性反应细胞ＥＰ含量分析提供依据１材料和方法１．
The immunohistochemical PAP method was used to detect the endorphin (EP) positive cells in the pylorus of the gastric antrum. The color and area of the positive reaction spots in the pyloric gland EP positive cells in the non-lesion area were detected by true color image analysis system. Calculate the gray density R, to explore the relationship with the ulcer, and duodenal ulcer pylori-positive cells to provide the basis for the analysis of EP 1 Materials and methods 1.