Abstract

References
1.
Adams
R D
Fisher
C M
Hakim
S
Ojemann
R G
Sweet
W H
. (1965 ) New Engl. J. Med.
273 , 117 .
2.
Bannister
R
Gilford
E
Kocan
R
. (1967 ) Lancet
ii , 1014 .
3.
Hakim
S
Adams
R D
. (1965 ) J. neurol. Sci.
2 , 307 .
4.
Hill
M E
Longhead
W M
Barnett
H J M
. (1967 ) Canad. med. Ass. J.
97 , 1309 .
