Abstract

References
1.
Bouche
M J
. (1956 ) Annales d'Otologie , Paris. 73 , 603
2.
Chait
A
. (1974 ) Journal of Clinical Pathology
26 , Suppl. 5 , p 68
3.
Cunningham
D R
Goetzinger
C P
. (1974 ) Audiology
13 , 470
4.
Dewar
H A
Oliver
M F
. (1971 ) British Medical Journal
iv , 784 –786
5.
Drettner
B
Hedstrand
H
Klockhoff
I
Svedberg
A
. (1975 ) Acta Oto-laryngologica
79 , 366
6.
Fisch
U
Dobozi
M
Greig
D
. (1972 ) Acta Oto-laryngologica
73 , 259
7.
Friedman
S A
Schulman
R H
. (1975 ) Archives of Internal Medicine
135 , 573
8.
Gignoux
M
Martin
H
Takizawa
H
. (1963 ) Journal Français d'Oto-rhino-laryngologie et Chirurgie Maxillo-faciale
12 , 563
9.
Jorgensen
M B
. (1961 ) Archives of Otolaryngology
74 , 373
10.
Jorgensen
M B
Buch
N H
. (1961 ) Acta Oto-laryngologica
53 , 350
11.
Lewis
B
Wootton
I D P
Krikler
D M
February
A
Chait
A
Oakley
C M
Sigurdsson
G
Maurer
B
Birkhead
J
. (1974 ) Lancet
i , 141 –146
12.
Makashima
K
Tanaka
K
. (1971 ) Annals of Otology, Rhinology and Laryngology
80 , 218
13.Newcastle upon Tyne Region physicians (1971 ) British Medical Journal
iv , 767 –775
14.
Quick
C A
Fish
A
Brown
C
. (1973 ) Laryngoscope
83 , 1469
15.
Rosen
S
Olin
P
. (1965 ) Archives of Otolaryngology
82 , 236
16.
Rosen
S
Olin
P
Rosen
H V
. (1970 ) Acta Oto-laryngologica
70 , 242
17.Scottish Society of Physicians (1971 ) British Medical Journal
iv , 775 –784
18.
Spencer
J T
. (1973 ) Laryngoscope
83 , 639
19.
Spencer
J T
. (1975 ) Otolaryngologic Clinics of North America
8 , 483
