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本文就５００例消化性溃疡病的内镜和活检组织检查结果进行对照研究，现报告如下１材料和方法１．１材料采用１９９３－０３／１９９７－１２间我院经内镜和活检组织检查均证实为良性消化性溃疡病５００例（胃溃疡１１１例，十二指肠溃疡２８４例，幽门溃疡４７例，复合溃疡５?
In this paper, 500 cases of peptic ulcer endoscopic and biopsy tissue control study results are as follows 1 Materials and methods 1.1 Materials used in our hospital from 1993-03 / 1997-12 endoscopic and biopsy were 500 confirmed benign peptic ulcer disease (111 cases of gastric ulcer, 284 cases of duodenal ulcer, 47 cases of pyloric ulcer, complex ulcer 5?