Objective To study the relationship between frequency of esophageal acid exposure and gastroesophageal reflux 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。
2
Objective: To investigate esophageal motility and esophageal acid exposure in elderly and non-elderly patients with gastroesophageal reflux disease (GERD).
目的：旨在了解老年、非老年胃食管反流病(GERD)患者食管动力学改变、食管酸暴露的情况。
3
PrefaceIn the clinical practice and animal experiments of esophageal surgery , ER is usually used to deal with esophagealdisease.