Figure 1From: Efficacy of Helicobacter pylori eradication therapies: a single centre observational study Choice of second line therapies after first line failures. Lines indicate number of patients receiving each regimen after initial failures. Abbreviations used in figure: PPI-proton pump inhibitor, A-amoxicillin, C-clarithromycin, N-nitroimidazole, RBC-ranitidine bismuth citrate, DTB-tripostassium dicitratobismuthate, T-tetracycline, e-erythromycinBack to article page