Relation of plasma pepsinogen levels to ethnic origins; implications in duodenal ulcer.
D004381:Duodenal Ulcer; D004792:Enzyme Precursors / Q000097:blood*; D005006:Ethnicity; D006801:Humans; D020116:Pepsinogen A; D010435:Pepsinogens; D010437:Peptic Ulcer / Q000097:blood*; D010949:Plasma
D004792:Enzyme Precursors; D010435:Pepsinogens; D020116:Pepsinogen A
ENZYME PRECURSORS/in blood; PEPTIC ULCER/blood in