AUTHOR=Ni Wenqing , Yuan Xueli , Zhang Yan , Zhang Hongmin , Zheng Yijing , Xu Jian TITLE=Association of hemoglobin levels with cause-specific and all-cause mortality among older adults: a prospective cohort study JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1435283 DOI=10.3389/fpubh.2024.1435283 ISSN=2296-2565