TI - SIgn up for alerts—it’s free! PT - JOUR DP - 2008 TA - Archives of Neurology pages = {761}, VI - 65 IP - 6 AID - 10.1001/archneur.65.6.761 [doi] 4100 - http://dx.doi.org/10.1001/archneur.65.6.761 SO - Archives of Neurology June 1, 2008 65(6):761