Abstract

References
1.
Ballance
C.
(1934 ), Laryng. & Otol. , 49 , 709 .
2.
Balance
C.
Duel
A. B.
(1932 ), Arch. Otolaryng. , 15 , 1 .
3.
Bentley
F. H.
Hill
M.
(1936 ), Brit. J. Surg. , 24 , 368 .
4.
Coleman
C. C.
(1940 ), Ann. Surg. , 3 , 958 .
5.
Colledge
L.
(1936 ), Proc. Roy. Soc. Med. , 29 , 1690 (Sect. Otol., 80).
6.
Darwin
C.
(1890 ), “Expression of the Emotions in Man and Animals” . London.
7.
Duel
A. B.
(1933 ), Surg., Gynec. & Obst. , 56 , 382 .
8.
Fowler
C. P.
(1939 ), J. A. M. A. , 113 , 1003 .
9.
Howe
H. A.
Tower
S. S.
Duel
A. B.
(1937 ), Arch. Neurol. & Psychiat. , 38 , 1190 .
10.
Huber
E.
(1930 ), Quart. Rev. Biol. , 5 , 133 .
11.
Leriche
R.
(1940 ), Presse Méd. , 48 , 345 .
12.
Sullivan
J. A.
(1936 ), Tr. Am. Acad. Ophth. , 41 , 282 .
13.
Tickle
T.
(1938 ), “Nelson's Loose-Leaf Surgery of the Ear” p. 355 . New York.
14.
Young
J. Z.
Medawar
P. B.
(1940a ), Lancet (ii), 126 .
15.
Young
J. Z.
Holmes
W.
Sanders
F. K.
(1940b ), Laucet (ii), 128 .
16.
Ballance
Duel
(1932 ), Arch. Otolaryng. , 15 , 1 .
17.
Bentley
F. H.
Hill
M.
(1936 ), Brit. J. Surg. , 24 , 368 .
18.
Bunnell
S.
(1927 ), Surg. Gynec. & Obst. , 45 , 7 .
19.
Gillies
H.
(1934 ), Proc. Roy. Soc. Med. , 27 , 1372 (Sect. Otol., 98).
20.
Martin
R. C.
(1931 ), Arch. Otolaryng. , 13 , 259 .
