Symposium: The gastroesophageal junction--function and dysfunction. Introduction.
D004942:Esophagitis, Peptic / Q000503:physiopathology*; D004943:Esophagogastric Junction / Q000502:physiology / Q000503:physiopathology; D005764:Gastroesophageal Reflux / Q000503:physiopathology*; D006801:Humans