title: Clinical correlation with quantitative gastric acid measurements.
mesh_terms: D000328:Adult; D004381:Duodenal Ulcer / Q000473:pathology / Q000503:physiopathology; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000473:pathology; D005756:Gastritis / Q000503:physiopathology*; D005773:Gastroscopy; D006801:Humans; D007441:Intubation, Gastrointestinal; D008297:Male; D008722:Methods; D010437:Peptic Ulcer / Q000503:physiopathology*; D012189:Retrospective Studies; D012636:Secretory Rate; D013276:Stomach Ulcer / Q000473:pathology / Q000503:physiopathology