TI - MArch-july 1999 PT - JOUR DP - 1999 TA - Archives of Neurology pages = {368}, VI - 56 IP - 3 AID - 10.1001/archneur.56.3.368 [doi] 4100 - http://dx.doi.org/10.1001/archneur.56.3.368 SO - Archives of Neurology March 1, 1999 56(3):368