Abstract

References
1.
Aboulker
P
Sterkers
J M
. (1961 ) Rev. méd. franç.
42 , 465 .
2.
Bignon
J
Chretien
J
. (1962 ) J. franç. Méd. Chir. thor.
16 , 125 .
3.
Bjork
V O
. (1960 ) J. thorac. cardiov. Surg.
39 , 179 .
4.
Bjork
V O
Cataliotti
F
Injonti
F
. (1961 ) J. cardiov. Surg.
2 , 485 .
5.
Boutros
A R
. (1962 ) Canad. Anæsth. Soc. J.
9 , 246 .
6.
Brock
R C
. (1959 ) Guy's Hosp. Rep.
108 , 314 .
7.
Burton
J D K
. (1962 ) Lancet
i , 235 .
8.Canadian Medical Association Journal (1961 ) 85 , 1154 .
9.
Cawthorne
T
. (1962 ) Ulster med. J.
31 , 1 .
10.
Cawthorne
T
Hewlett
A B
Ranger
D
. (1959 ) Proc. R. Soc. Med.
52 , 403 .
11.
Cleland
W P
. (1961 ) Proc. R. Soc. Med.
54 , 785 .
12.
Cooley
D A
Garrett
H E
Howard
H S
. (1962 ) Progr. cardiov. Dis.
4 , 312 .
13.
Crawford
O A
. (1961 ) Anesthesiology
22 , 86 .
14.
D'Abreu
A
. (1958 ) A Practice of Thoracic Surgery . London ; p 450 .
15.
Dammann
J F
Thung
Nalda
Christlieb
I I
Littlefield
J B
Muller
W H
. (1963 ) J. thorac. cardiov. Surg.
45 , 80 .
16.
Davidson
W C
. (1936 ) Amer. J. Dis. Child.
52 , 1158 .
17.
Davis
H S
Kretchmer
H C
Bryce-Smith
R
. (1953 ) J. Amer. med. Ass.
153 , 1156 .
18.
Edwards
J E
Burchell
H B
. (1960 ) Dis. Chest
38 , 272 .
19.
Frew
I J C
. (1961 ) J. Laryng.
74 , 136 .
20.
Gilston
A
. (1961 ) Lancet
i , 1326 .
21.
Gilston
A
. (1962 ) Thorax
17 , 139 .
22.
Glas
W W
King
O J
Jr
Lui
A
. (1962 ) Arch. Surg., Chicago
85 , 56 .
23.
Harries
J R
Lawes
W E
. (1955 ) Lancet , i , 722 .
24.
Head
J M
. (1961 ) New Engl. J. Med.
264 , 587 .
25.
Helliwell
P J
. (1963 ) Proc. R. Soc. Med.
56 , 225 .
26.
Holmdahl
M H
. (1962 ) Anesthesiology
23 , 559 .
27.
Hutton
A M
Vale
R J
. (1964 ) Anæsthesia
19 , 239 .
28.
Ibsen
B
. (1954 ) Proc. R. Soc. Med.
47 , 72 .
29.
Lueders
H W
Stranahan
A
Alley
R D
Kansel
H W
Peck
A S
. (1958 ) J. thorac. Surg.
35 , 461 .
30.
Lynn
R B
. (1962 ) Canad. med. Ass. J.
86 , 1197 .
31.
Mapleson
W W
Morgan
J G
Hillard
E K
. (1963 ) Brit. med. J.
i , 300 .
32.
Marshall
J
Spalding
J M K
. (1953 ) Lancet
ii , 1022 .
33.
Molloy
P J
. (1961 ) Thorax
16 , 335 .
34.
Molloy
P J
Lindfield
R I
. (1961 ) Thorax
16 , 325 .
35.
Nelson
T G
Bowers
W F
. (1957 ) J. Amer. med. Ass.
164 , 1530 .
36.
Norlander
O P
Bjork
O
Crafoord
C
Friberg
O
Holmdahl
M
Swensson
A
Widman
A
. (1961 ) Anæsthesia
16 , 285 .
37.
Oliver
P
Richardson
J R
Clubb
R W
Flake
C G
. (1962 ) New Engl. J. Med.
267 , 631 .
38.
Opie
L H
Smith
A C
. (1959 ) Lancet
i , 600 .
39.
Pearce
D A
Walsh
R S
. (1961 ) Lancet
ii , 135 .
40.
Reading
P
. (1958 ) J. Laryng.
72 , 785 .
41.
Rosen
M
Hillard
E K
. (1960 ) Brit. J. Anæsth.
32 , 486 .
42.
Ross
D N
. (1960 ) Brit. med. J.
ii , 571 .
43.
Sanger
P W
Robicsek
F
Taylor
F H
. (1962 ) Coll. Works cardiopulm. Dis.
5–6 , 251 .
44.
Sercer
A
. (1962 ) Ciba Symp.
10 , 78 .
45.
Spoerel
W E
Coles
J C
. (1962 ) Dis. Chest
41 , 91 .
46.
Toremalm
N G
. (1960 ) Acta otolaryng., Stockh.
52 , 461 .
47.
Trousseau
A
. (1851 ) Recherches sur la Trachéotomie .
48.
Wilson
J L
. (1932 ) New Engl. J. Med.
206 , 887 .
49.
Wood
P
. (1959 ) Diseases of the Heart and Circulation . London .
50.
Wooler
G H
Nixon
P G F
Grimshaw
V A
Watson
D A
. (1962 ) Thorax
17 , 49 .
