Value of plasma pepsinogen estimation.
D004796:Clinical Enzyme Tests; D010434:Pepsin A; D020116:Pepsinogen A; D010435:Pepsinogens; D010437:Peptic Ulcer / Q000097:blood*
D010435:Pepsinogens; D020116:Pepsinogen A; D010434:Pepsin A
PEPSINS; PEPTIC ULCER/blood