Article Text
PostScript
Letter
Long-term proton pump inhibitor use is a risk factor of gastric cancer after treatment for Helicobacter pylori: a retrospective cohort analysis
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Footnotes
Contributors RN and YHa participated in the study design and wrote the manuscript. RN analysed the data. YHi, AY, MF and KK advised on the study design and contributed to manuscript writing.
Competing interests None declared.
Patient consent Obtained.
Ethics approval The institutional review boards at the University of Tokyo.
Provenance and peer review Not commissioned; internally peer reviewed.