Abstract

References
1.
Best
D W S
, (1971 ) Canadian Anæsthetists' Society Journal
18 , 333
2.
Boyd
C H
, (1972 ) British Journal of Anæsthesia
44 , 992
3.
Enderby
G E H
, (1972 ) Anæsthesia
27 , 334
4.
Hallen
B
Ehmer-Samuel
H
Thomason
M
, (1970 ) Acta anæsthesiologica scandinavica
14 , 17
5.
Hawkins
T J
, (1973 ) Anæsthesia
28 , 490
6.
McIntyre
J W R
Russell
J C
, (1967 ) Canadian Anæsthetists' Society Journal
14 , 333
7.
Pitt
E M
, (1972 ) British Journal of Anæsthesia
44 , 1335
8.
Vaughan
R S
Mapleson
W W
Mushin
W W
, (1973 ) British Medical Journal
i , 727
9.
Whitcher
C E
Cohen
E N
Trudell
J R
, (1971 ) Anesthesiology
35 , 348
