Abstract

References
1.
Brock
R. C.
(1946 ) The Anatomy of the Bronchial Tree . London.
2.
Cann
R. J.
(1938 ) Guy's Hosp. Rep. , 88 , 392 .
3.
Gerlings
P. G.
(1939 ) J. Laryng. Otol. , 54 , 23 .
4.
Gill-Carey
C.
(1944 ) J. Laryng. Otol. , 59 , 466 .
5.
Graham
E. A.
Womack
N. A.
(1945 ) J. Thorac. Surg. , 14 , 106 .
6.
Howes
W. E.
(1948 ) Dis. Chest. , 14 , 427 .
7.
Keith
A.
(1948 ) Human Embryology and Morphology . London.
8.
Maier
H. C.
Fischer
W. W.
(1947 ) J. Thorac. Surg. , 16 , 392 .
9.
Martin
G. E.
(1949 ) J. Laryng. Otol. , 63 , 1 .
10.
Owen
R. D.
(1950 ) Proc. R. Soc. Med. , 43 , 157 .
11.
Patterson
E. J.
(1930 ) Arch. Otolaryng. , 12 , 739 .
12.
Sharp
H. S.
(1949 ) J. Laryng. Otol. , 63 , 413 .
13.
Xalabarder
C.
(1949 ) Tubercle , 30 , 266 .
14.
Zamora
A. M.
Schuster
N.
(1937 ) J. Laryng. Otol. , 52 , 337 .
