1,442
Participants
Start Date
January 1, 2012
Primary Completion Date
December 31, 2015
Study Completion Date
June 30, 2020
Plasma β-amyloid 40 and 42 concentration
Plasma β-amyloid 40 and 42 concentrations were simultaneously measured by validated assay platforms from Meso Scale Discovery (MSD; Rockville, MD, USA).
Liegang Liu
OTHER