AUTHOR=Ji Xiaoyi , Wu Yue , Gu Zijie , Zhong Zhujun , Wang Kerui , Ye Suni , Wan Yang , Qiu Peiyuan TITLE=Trajectories of cognitive function and frailty in older adults in China: a longitudinal study JOURNAL=Frontiers in Aging Neuroscience VOLUME=16 YEAR=2024 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2024.1465914 DOI=10.3389/fnagi.2024.1465914 ISSN=1663-4365