Abstract

References
1.
Acheson
E D
(1961 ) Proc. R. Soc. Med.
54 , 9 .
2.
Allbutt
T C
(1900 ) System of Medicine . London ; 7 , 52 .
3.
Allison
R S
(1931 ) Brain
53 , 391 .
4.
Allison
R S
Millar
J H D
(1954 ) Ulster med. J.
23 , Suppl. 2 , 5 .
5.
Campbell
A M G
(1960 ) Personal communication.
6.
Campbell
A M G
Daniel
P
Porter
R J
Russell
W R
Smith
H V
Innes
J R M
(1947 ) Brain
70 , 50 .
7.
Campbell
A M G
Herdan
G
Tatlow
W F T
Whittle
E G
(1950 ) Brain
73 , 52 .
8.
Dean
G
(1949 ) Brit. med. J.
i , 842 .
9.
McAlpine
D
Compston
N
(1952 ) Quart. J. Med.
21 , 135 .
10.
Miller
H
Ridley
A
Schapira
K
(1960 ) Brit. med. J.
ii , 343 .
11.
Wright
Payling G
(1961 ) Proc. R. Soc. Med.
54 , 26 .
12.
Platt
B S
(1955 ) Brit. med. J.
i , 179 .
13.
Pratt
R T C
(1951 ) Ann. Eugen.
16 , 45 .
14.Proc. R. Soc. Med. (1961 ) 54 , 1 .
15.
Sutherland
J M
(1956 ) Brain
79 , 635 .
16.
Sutherland
J M
(1959 ) Brit. med. J.
ii , 824 .
17.
Warren
H V
(1959 ) Nature, Lond.
184 , 561 .
18.
Warren
H V
(1960 ) Personal communication.
