Long-term therapeutic effect of triple therapy consisted of omeperazole, clarithromycin and amoxycillin in children with Helicobacter pylori infection and approach to re-treatment after failure of the treatment

• 幽门螺杆菌感染患儿克拉霉素三联疗法的远期疗效及治疗失败病例再治疗的探讨