Cochrane Library Cochrane Database of Systematic Reviews Proton pump inhibitor- and clarithromycin-based triple therapies for Helicobacter pylori eradication (Protocol) Vieira RR, Fontes LES, Pacheco RL, Fernandes MAP, Malta PP, Riera R Vieira RR, Fontes LES, Pacheco RL, Fernandes MAP, Malta PP, Riera R. Proton pump inhibitor- and clarithromycin-based triple therapies for Helicobacter pylori eradication (Protocol). Cochrane Database of Systematic Reviews 2020, Issue 9. Art. No.: CD013734. DOI: 10.1002/14651858.CD013734. www.cochranelibrary.com Proton pump inhibitor- and clarithromycin-based triple therapies for Helicobacter pylori eradication (Protocol) Copyright © 2020 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.