Elevation of Plasma Amyloid-β Level is More Significant in Early Stage of Cognitive Impairment: A Population-Based Cross-Sectional Study. Wang J, Qiao F, Shang S, Li P, Chen C, Dang L, Jiang Y, Huo K, Deng M, Wang J, et al. J Alzheimers Dis. 2018; 64(1):61-69. PMID: 29865072. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow