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胃癌病因迄今不明［1］。胃肠道的微生态环境的改变参与了人体的生理、生化及病理等过程［2］。为了探讨胃微生态环境与胃癌的关系，我们对叽例不同消化道疾病患者胃粘膜微生物群进行研究，现将结果报道如下。1材料与方法1．1研究对象91例消化道疾病患者，其中女36例，男55例，
The cause of gastric cancer is still unknown [1]. Changes in the microecological environment of the gastrointestinal tract are involved in the human physiological, biochemical, and pathological processes [2]. In order to investigate the relationship between the gastric microenvironment and gastric cancer, we studied gastric mucosal microbiota in patients with different digestive tract diseases. The results are reported below. 1Materials and methods 1.1 Research subjects 91 patients with digestive tract diseases, including 36 females and 55 males,