AUTHOR=Zhang Riyuan , Chen Chong , Zheng Suhua , Zhang Jianwei , Chen Weiling , Chen Zhimin TITLE=Preliminary study of biliary microbiota and identification of bacterial species associated with pigmented gallstone formation JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2025.1532512 DOI=10.3389/fcimb.2025.1532512 ISSN=2235-2988