Objective To study the effect of a new type of esophageal metal stent in the treatment of esophageal stricture and the prevention of gastroesophagealreflux.
目的证实一种新型食管支架具有治疗狭窄并有抗胃食管反流作用。
2
Objective To study the relationship between frequency of esophageal acid exposure and gastroesophagealreflux disease (GERD).
目的探讨老年人食管酸暴露频率强度与胃食管反流病的关系。
3
Aim: To study the relationship between duodenal ulcer (du) and gastroesophagealreflux disease (GERD).