Some observations concerning the physiology of the distal esophagus with comments on hiatal hernia.
D004943:Esophagogastric Junction / Q000502:physiology*; D004947:Esophagus / Q000502:physiology; D006548:Hernia, Diaphragmatic / Q000175:diagnosis*; D006801:Humans; D009040:Motion Pictures; D011859:Radiography