title: Primary progressive aphasia--differentiation from Alzheimer's disease.
authors.forename: M M
authors.initials: MM
authors.lastname: Mesulam
mesh_terms: D000544:Alzheimer Disease / Q000175:diagnosis* / Q000503:physiopathology; D001037:Aphasia / Q000175:diagnosis* / Q000503:physiopathology; D001921:Brain / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D009410:Nerve Degeneration; D013577:Syndrome