303,380 ANNUAL 43rd annual meeting Amercian Academy of Neurology : abstract listing and general meeting information John B. Hynes Veterans Memorial Convention Centr April 21-27, 1991. - [Cleveland] : [Edgell Comunications, Inc.], 1991. - 48 s. : wykr. , 29 cm (Neurology ; vol. 41, nr 2)