Vascular-water-exchange MRI (VEXI) enables the detection of subtle AXR alterations in Alzheimer's disease without MRI contrast agent, which may relate to BBB integrity. - Yifan Zhang; Yue Wang; Zhaoqing Li; Zejun Wang; Juange Cheng; Xiaoyan Bai; Yi-Cheng Hsu; Yi Sun; Shiping Li; Jiong Shi; Binbin Sui; Ruiliang Bai (NeuroImage, 2023)