Iki gikoresho gikoreshwa muri vitro yujuje ubuziranenge bwa helicobacter pylori nucleic aside muri gastric mucosal biopsy tissue sample cyangwa amacandwe y’amacandwe y’abarwayi bakekwaho kuba baranduye pylori ya helicobacter, kandi itanga uburyo bwifashishwa mu gusuzuma abarwayi bafite indwara ya helicobacter pylori.