Chronic hypoperfusion due to intracranial large artery stenosis is not associated with cerebral β-amyloid deposition and brain atrophy oleh Dongyu Fan, Huiyun Li, Dongwan Chen, Yang Chen, Xu Yi, Heng Yang, Qianqian Shi, Fangyang Jiao, Yi Tang, Qiming Li, Fangyang Wang, Shunan Wang, Rongbing Jin, Fan Zeng, Yanjiang Wang, Yanjie Yin, Xiuyuan Hao