title: Is it time to revisit the classification guidelines for primary progressive aphasia?
authors.affiliation: From Northwestern University Medical School, Chicago, IL.
authors.forename: M-Marsel
authors.initials: MM
authors.lastname: Mesulam
authors.forename: Sandra
authors.initials: S
authors.lastname: Weintraub
mesh_terms: D018888:Aphasia, Primary Progressive / Q000175:diagnosis* / Q000523:psychology*; D005260:Female; D006801:Humans; D007807:Language Tests / Q000592:standards*; D008279:Magnetic Resonance Imaging / Q000592:standards*; D008297:Male; D009483:Neuropsychological Tests / Q000592:standards*