Clinical dimensions along the non-fluent variant primary progressive aphasia spectrum

Illan-Gala I, Lorca-Puls DL, Tee BL, Ezzes Z, de Leon J, Miller ZA, Rubio-Guerra S, Santos-Santos M, Gomez-Andres D, Grinberg LT, Spina S, Kramer JH, Wauters LD, Henry ML, Boxer AL, Rosen HJ, Miller BL, Seeley WW, Mandelli ML, Gorno-Tempini ML.