Accuracy of serum pepsinogen in the diagnosis of duodenal ulcer as compared to Ewald and diagnex tests.
D004381:Duodenal Ulcer; D006801:Humans; D010434:Pepsin A / Q000097:blood*; D020116:Pepsinogen A; D010435:Pepsinogens; D010437:Peptic Ulcer / Q000175:diagnosis*
D010435:Pepsinogens; D020116:Pepsinogen A; D010434:Pepsin A
PEPSINS/blood; PEPTIC ULCER/diagnosis