RT Journal T1 Archives of neurologyreader's choice: Continuing medical education JF Archives of Neurology JO Archives of Neurology YR 1999 FD November 1 VO 56 IS 11 SP 1421 OP 1423 DO 10.1001/archneur.56.11.1421 UL http://dx.doi.org/10.1001/archneur.56.11.1421 AB