四联疗法与三联疗法治疗幽门螺杆菌阳性消化性溃疡疗效比较
사련요법여삼련요법치료유문라간균양성소화성궤양료효비교
Comparison of the effects of quadruple and triple chemotherapy in the treatment of Helicobacter pylori posi-tive peptic ulcer
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