Longitudinal Evolution of Posterior Cortical Atrophy: Diagnostic Delays, Overlapping Phenotypes, and Clinical Outcomes.

Shir D, Lee N, McCarter SJ, Ramanan VK, Botha H, Knopman DS, Petersen RC, Boeve BF, Day GS, Graff-Radford NR, Jones DT, Murray ME, Nguyen AT, Reichard RR, Dickson DW, Tajfirouz D, Machulda MM, Whitwell JL, Josephs KA, Graff-Radford J.