Abstract
References
1.
Apgar
V
,
Holaday
D
,
James
L
,
Prince
C
,
Weissbrot
I
. &
Weiss
I
. (1957 ) J. Amer. med. Ass . 165 , 2155
2.
Crampton
H
. (1934 ) Proc. R. Soc. Med . 28 , 91
3.
Eisen
S
,
Winesanker
H
,
Hellman
K
,
Axelrod
H
,
Rotenberg
M
,
Belle
A
. &
Shaffman
E
. (1960 ) Canad. Anæsth. Soc. J . 7 , 280
4.
Fleming
S
. &
Campbell
S
. (1959 ) Curr. Res. Anesth . 38 , 133
5.
Gordon
R
. (1959 ) Brit. med. J . ii , 420
6.
Johnson
G
. &
Clayton
C
. (1955 ) J. Obstet. Gynæc., Brit. Emp . 62 , 513
7.
Little
D
. &
Bannister
W
. (1959 ) J. Amer. med. Ass . 171 , 1465
8.
Lund
P
. (1955 ) J. Amer. med. Ass . 159 , 1586
9.
Osborn
G R
. (1958 ) Proc. R. Soc. Med . 51 , 840
10.
Phillips
K
. (1959 ) Amer. J. Obstet. Gynec . 77 , 113
11.
Sadove
M
,
Levin
M
. &
Ranf
S
. (1961 ) Canad. Anæsth. Soc. J . 8 , 405
12.
Steel
G
. (1961 ) Brit. med. J . i , 963
13.
Taylor
C
. (1961 ) Amer. J. Obstet. Gynec . 81 , 1260
14.
Vandam
L
. &
Dripps
R
. (1960 ) J. Amer. med. Ass . 172 , 1483
15.
Walker
A L
,
Wrigley
A J
,
Organe
G S W
,
Chamberlain
R N
. &
Martin
W J
. (1960 ) Rep. publ. Hlth med. Subj . No. 103
16.
Cope
R W
. (1962 ) Proc. R. Soc. Med . 55 , 133
17.
Davison
M H A
. (1959 ) Anæsthesia
14 , 127
18.
Low
W A
. (1951 ) Proc. R. Soc. Med . 44 , 219
19.
Hingson
R A
. &
Hellman
L M
. (1954 ) Amer. J. Obstet. Gynec . 68 , 262