title: A comparison of intraoperative tests of completeness of vagal section.
mesh_terms: D003224:Congo Red; D004381:Duodenal Ulcer / Q000503:physiopathology / Q000601:surgery*; D004558:Electric Stimulation; D005745:Gastric Acidity Determination; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D008751:Methylene Blue; D014628:Vagotomy; D014630:Vagus Nerve / Q000503:physiopathology*
chemical_list: D003224:Congo Red; D008751:Methylene Blue