Abstract

References
1.
Beecher
H K
Todd
D P
(1954 ) Ann. Surg.
140 , 2
2.
Churchill
W S
(1949 ) The Second World War. London ; 2 , 286
3.
Edwards
G
Morton
H J V
Pask
E A
Wylie
W D
(1956 ) Anæsthesia
2 , 3
4.
Rees
G J
(1958 ) Brit. med. Bull.
14 , 38
5.
Stead
A L
(1955 ) Brit. J. Anæsth . 27 , 124
