Abstract
References
1.
Fisher
M
. (1956 ) New England Journal of Medicine
255 , 57 .
2.
Gibberd
F B
Kelly
R E
. (1964 ) Brain
87 , 657 .
3.
Van Allen
M W
MacQueen
J C
. (1964 ) Transactions of the American Neurological Association
89 , 98 .