Protracted vagal stimulation and duodenal ulcer.
D004381:Duodenal Ulcer; D004947:Esophagus / Q000601:surgery*; D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology*; D014630:Vagus Nerve / Q000502:physiology*
ESOPHAGUS/surgery; NERVES, VAGUS/physiology; PEPTIC ULCER/etiology and pathogenesis