Objective: To explore the relation of Helicobacter pylori (H.pylori) infection to serum nitric oxide (NO) and duodenogastric reflux (DGR).

• 目的 :探讨慢性胃炎患者中幽门螺杆菌 (H .；pylori)感染与血清一氧化氮 (NO)和十二指肠胃反流 (DGR)之间的关系。