Association of β-Amyloid Level, Clinical Progression, and Longitudinal Cognitive Change in Normal Older Individuals.

van der Kall LM, Truong T, Burnham SC, Doré V, Mulligan RS, Bozinovski S, Lamb F, Bourgeat P, Fripp J, Schultz S, Lim YY, Laws SM, Ames D, Fowler C, Rainey-Smith SR, Martins RN, Salvado O, Robertson J, Maruff P, Masters CL, Villemagne VL, Rowe CC.