Retrograde flow of gastric juice (GASTRIC ACID) and/or duodenal contents (BILE ACIDS; PANCREATIC JUICE) into the distal ESOPHAGUS, commonly due to incompetence of the LOWER ESOPHAGEAL SPHINCTER
Gastroesophageal reflux -- Popular works : 100 questions & answers about gastroesophageal reflux disease (GERD) : a Lahey Clinic guide / David L. Burns, Neeral L. Shah