RT Journal Article SR Electronic T1 Classification and stratification of primary progressive aphasia: CSF biomarkers as a useful tool? JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 671 OP 671 DO 10.1136/jnnp-2012-302534 VO 83 IS 7 A1 Eloi Magnin YR 2012 UL http://jnnp.bmj.com/content/83/7/671.abstract AB