title: In situ pH of gastric contents in patients with gastric and duodenal ulceration under therapy.
mesh_terms: D004381:Duodenal Ulcer; D005766:Gastrointestinal Contents; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010437:Peptic Ulcer / Q000628:therapy*; D013270:Stomach / Q000737:chemistry*
keywords: HYDROGEN-ION CONCENTRATION; PEPTIC ULCER/therapy; STOMACH/chemistry