[Diagnosis of gastrointestinal diseases by analysis of gastric juice].
D005750:Gastric Juice / Q000032:analysis*; D005756:Gastritis / Q000175:diagnosis; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000201:enzymology; D006025:Glycosaminoglycans / Q000032:analysis; D006801:Humans; D007120:Immunochemistry; D010434:Pepsin A / Q000032:analysis; D010437:Peptic Ulcer / Q000175:diagnosis
D006025:Glycosaminoglycans; D010434:Pepsin A