Transmural potential difference in patients with hiatus hernia and oesophageal ulcer.
D000293:Adolescent; D000328:Adult; D004566:Electrodes; D004594:Electrophysiology; D004935:Esophageal Diseases / Q000503:physiopathology*; D004945:Esophagoscopy; D006548:Hernia, Diaphragmatic / Q000503:physiopathology*; D006801:Humans; D008722:Methods; D008875:Middle Aged; D010437:Peptic Ulcer / Q000503:physiopathology*; D011312:Pressure