RT Journal Article SR Electronic T1 Ageing JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 826 OP 826-a DO 10.1212/WNL.5.11.826-a VO 5 IS 11 YR 1955 UL http://n.neurology.org/content/5/11/826.2.abstract AB