Abstract

References
1.
Boyd
G.
(1981 ), Canad. M. A. J. , 25 , 174 .
2.
Campbell
E. H.
(1934 ), Arch. Otolaryng. , 20 , 698 .
3.
Dennis
F. L.
(1924 ), Ann. Otol., Rhin. and Laryng. , 33 , 451 .
4.
Ebbs
J. H.
(1937 ), Proc. Roy. Soc. Med. , 30 , 1297 . (Sect. Otol., 53).
5.
Erb
I. H.
(1933 ), Arch. Path. , 15 , 357 .
6.
Findlay
L.
Graham
S.
(1931 ), Arch. Dis. Childhood , 6 , 1 .
7.
Jameson
H. P.
(1929 ), Arch. Dis. Childhood , 4 , 365 .
8.
Lemon
W. S.
(1926 ), M. Clin. North America , 10 , 531 .
9.
McNeil
C.
MacGregor
A. R.
Alexander
W. A.
(1929 ), Arch. Dis. Childhood , 4 , 12 .
10.
Moll
H. H.
(1932 ), Quart. J. Med., N.S. , 1 , 457 .
