Aim: To study the relationship between duodenal ulcer (du) and gastroesophageal reflux disease (GERD).

目的：为了研究十二指肠球部溃疡(DU)与胃食管反流病(GERD)的关系。

youdao

Aim: To study the relationship between duodenal ulcer (du) and gastroesophageal reflux disease (GERD).

目的：为了研究十二指肠球部溃疡(DU)与胃食管反流病(GERD)的关系。

youdao