Degenerative Diseases of the Nervous System, Alzheimer Disease
Adams & Victors Principles of Neurology, Chp 39, pg 1063, Ropper, A.H.,et al, 2014
Dementia Presenting with Aphasia:Clinical Characteristics
JNNP 54:542-545, Mendez,M.F.&Zander,B.A., 1991