AUTHOR=Hao Yanan , Du Xin , Cai Chang , Zhao Yong , Ren Yonglin TITLE=Ammonia and hydrogen sulfide - new insights into gut microbiota and male infertility through meta-analysis JOURNAL=Frontiers in Cellular and Infection Microbiology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2024.1449453 DOI=10.3389/fcimb.2024.1449453 ISSN=2235-2988