1999 abstract listing and 51st annual meeting information American Academy of Neurology : Toronto, Ontario, CANADA, April 17-24, 1999 Vol. 52 No. 5, Suppl. 1 1999/American Academy of Neurology. Philadelphia : Lippincott Williams & Wilkins, 1999. 72 s. [1, z toho voľných 0, prezenčne 1]