AUTHOR=Liu Aiguo , Ying Ting , Deng Shuang , Wang Chenxu , Zhao Ziwen , Zhang Sitong , Xiao Han , Yi Chengqing , Li Dejian TITLE=Relationship between albumin-corrected anion gap and lumbar spine bone mineral density: a cross-sectional study JOURNAL=Frontiers in Aging VOLUME=6 YEAR=2025 URL=https://www.frontiersin.org/journals/aging/articles/10.3389/fragi.2025.1511294 DOI=10.3389/fragi.2025.1511294 ISSN=2673-6217