| Statement 10. After failure of non-bismuth quadruple therapy (sequential or concomitant therapy), a bismuth quadruple therapy is recommended as a second-line therapy. |
| Grade of recommendation: strong |
| Level of evidence: low |
| Experts’ opinions: completely agree (60.0%), mostly agree (30.0%), partially agree (6.7%), mostly disagree (3.3%), completely disagree (0%), not sure (0%) |
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