雷尼替丁枸橼酸铋联合克拉霉素根除幽门螺杆菌疗效观察
뢰니체정구연산필연합극랍매소근제유문라간균료효관찰
Ranitidine bismuth citrate and clarithromycin for eradication of Helicobacter pylori
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