Acid clearing from the distal esophagus.
D003679:Deglutition; D004941:Esophagitis / Q000175:diagnosis; D004947:Esophagus / Q000502:physiology*; D005764:Gastroesophageal Reflux; D006548:Hernia, Diaphragmatic / Q000175:diagnosis; D006801:Humans; D006851:Hydrochloric Acid; D006863:Hydrogen-Ion Concentration
D006851:Hydrochloric Acid