the esophageal response studied in the systemic illness has been developed clearly in the body of the esophagus as well as in the lower esophageal sphincter , showing important alterations in the peristalsis and a significant fall of lower esophageal sphincter pressure , proving conditions such as those in which gastro-esophageal reflux is produced .
C0014876
esophagus
C0227192
lower esophageal