P4–289: Normal healthy donors possess plasma IgG reactive to a neutralizing epitope for toxic and amyloid‐seeding beta‐amyloid oligomers. (1st July 2013) - Gibbs, Ebrima; Silverman, Judith; Balducci, Claudia; Wang, Jing; Chen, Hui; Uger, Marni; Masi, Andrea; Ostapchenko, Valeriy; Prado, Marco; Song, Weihong; Forloni, Gianluigi; Wellington, Cheryl; et al.