Objective:To clarify the relationship between blood group ABO and duodenal ulcer(DU)in patients with H.pylori(Hp)infection.

• 目的:从幽门螺杆菌(H.；pylori；Hp)感染角度探讨ABO血型对十二指肠溃疡(duodenal ulcer；DU)发病的因素。