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作者检查Barrett食管粘膜和作为对照的正常上胃肠道粘膜的内镜活检标本,测定其鸟氨酸脱羧酶(orn-ithine decarboxylase,ODC)的相对活性,并进行组织学评价,以探讨ODC活性与发育异常的相关性。
The authors examined the endoscopic biopsy specimens of Barrett’s esophageal mucosa and normal upper gastrointestinal mucosa as controls and measured the relative activity of ornithine decarboxylase (ODC) and histological evaluation to investigate ODC activity Correlation with dysplasia.