title: Intraoperative and postoperative testing for completeness of vagotomy.
mesh_terms: D003224:Congo Red; D004558:Electric Stimulation; D004724:Endoscopy; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007430:Intraoperative Care; D010437:Peptic Ulcer / Q000601:surgery*; D011182:Postoperative Care; D012008:Recurrence; D013194:Staining and Labeling; D014628:Vagotomy
chemical_list: D003224:Congo Red