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为了探讨迁延性、慢性腹泻患儿的肠道菌群变化及病因 ,对３１例健康儿童及３５例迁延性、慢性腹泻患儿粪便中４种常见厌氧菌、需氧菌进行定量检测。病例选择 :①自１９９８年３月至２０００年３月在我科住院的迁延性、慢性腹泻患儿 ,年龄均在８个月至３岁半 ;②大便每日４次以?
To investigate the changes of gut microbiota and etiology in children with persistent and chronic diarrhea, four kinds of common anaerobic bacteria and aerobic bacteria in 31 healthy children and 35 fecal samples of persistent and chronic diarrhea were detected quantitatively. Case selection: ① from March 1998 to March 2000 hospitalized in our department of persistent, chronic diarrhea in children, aged from 8 months to 3 years and a half; ② stool 4 times a day to?