AUTHOR=Mu Xinyi , Fan Yi , Xu Jingyu , Xie Rui TITLE=Exploration of the optimal regimen of gastric mucosal cleansing medication for the H. pylori population before ME-NBI screening: study protocol for a single-center, single-blind, randomized controlled trial JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1516271 DOI=10.3389/fmed.2025.1516271 ISSN=2296-858X