RT Journal Article SR Electronic T1 We Know Now: Mavridis Atrophy Is Associated with Cognitive Impairment in Parkinson Disease JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E38 OP E38 DO 10.3174/ajnr.A4315 VO 36 IS 5 A1 Mavridis, I.N. YR 2015 UL http://www.ajnr.org/content/36/5/E38.abstract AB