The influence of β-amyloid on [18F]AV-1451 in semantic variant of primary progressive aphasia

Whitwell JL, Martin PR, Duffy JR, Clark HM, Machulda MM, Schwarz CG, Weigand SD, Sintini I, Senjem ML, Ertekin-Taner N, Botha H, Utianski RL, Graff-Radford J, Jones DT, Boeve BF, Knopman DS, Petersen RC, Jack CR Jr, Lowe VJ, Josephs KA.