Keywords Helicobacter pylori;Proton pump inhibitor;Ranitidine bismuth citrate;Clarithromycin;Amoxicillin;Nitroimidazole;

• 幽门螺杆菌;质子泵抑制剂;枸橼酸铋雷尼替丁;克拉霉素;阿莫西林;硝基咪唑;