AUTHOR=Mei Kefu , Li Feng , Kang Zhiming , Sun Dong , Luo Xuefei , Tian Shiyuan , Zhang Lei , Zhang Junjian TITLE=Cognitive impairment after intravenous thrombolysis in mild stroke: assessment of cerebral blood flow covariance network JOURNAL=Frontiers in Neurology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1513182 DOI=10.3389/fneur.2025.1513182 ISSN=1664-2295