Abstract
References
1.
Brain
R
(1954 ) Lancet
i , 693
2.
(1956 ) Proc. R. Soc. Med . 49 , 107
3.
Hanflig
S S
(1936 ) J. Amer. med. Ass . 106 , 523
4.
Josey
A I
&
Murphey
F
(1946 ) J. Amer. med. Ass . 131 , 581
5.
Nachlas
I W
(1934 ) J. Amer. med. Ass . 103 , 323
6.
Semmes
R E
&
Murphey
F
(1943 ) J. Amer. med. Ass . 121 , 1210