Abstract

References
1.
Anderton
J M
. (1972 ) British Journal of Anœsthesia
44 , 183 .
2.
Boulton
T B
Cole
P V
. (1968 ) Anœsthesia
23 , 220 .
3.British Journal of Anaesthesia (1974 ) 8 , 547 .
4.
Burman
A L
. (1968 ) South African Medical Journal
42 , 315 .
5.
Cole
F
. (1967 ) Nebraska Medical Journal
52 , 59 .
6.
Green
R A
Howat
D D C
. (1952 ) Anœsthesia
7 , 40 .
7.
Keep
V R
. (1962 ) Lancet
ii , 446 .
8.
Kerr
I H
. (1974 ) British Journal of Anœsthesia
46 , 558 .
9.
Kyei-Mensah
K
Thornton
J A
. (1974 ) British Journal of Anœsthesia
46 , 570 .
10.
Lee
J A
. (1949 ) Anœsthesia
4 , 169 .
11.
Loder
R E
Richardson
H J
. (1954 ) Lancet
i , 1177 .
12.
Wilson
W E
. (1969 ) Anesthesia and Analgesia
48 , 605 .
13.
Prys-Roberts
C
. (1976 ) Annals of the Royal College of Surgeons of England (in press).
