Jonkers, D Differential features of gastric cancer patients, either Helicobacter pylori positive or Helicobacter pylori negative. [electronic resource] - Italian journal of gastroenterology and hepatology Dec 1999 - 836-41 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1125-8055 Subjects--Topical Terms: AgedAged, 80 and overAntibodies, Bacterial--bloodChromogranin AChromogranins--bloodFemaleGastrins--bloodHelicobacter pylori--immunologyHumansMaleMiddle AgedPepsinogen A--bloodPepsinogen C--bloodProspective StudiesStomach--microbiologyStomach Neoplasms--blood