serum pepsinogen i and pepsinogen ii levels in 369 healthy controls , 38 duodenal ulcer , 30 gastric ulcer and 46 stomach cancer including 21 early and 25 advanced gastric cancer patients were measured by enzyme-linked immunosorbent assays using pepsin moiety-reacting monoclonal antibodies to pepsinogens i and ii .
C0024623
stomach cancer
C0038351
gastric