Objective To elicit the role of the duodenal juice component in the pathological injury of gastric mucosa, and to study the relationship between these components and the value of pH and bilirubin absorbance (ABS) in primary duodenogastric reflux (DGR).

• 目的:探讨原发性十二指肠胃反流(DGR)是否造成胃黏膜的病理性损害以及十二指肠液中各种成分与动态pH的变化和胆红素吸收值(ABS)的关系。