Abstract
References
1.
Flynn
F V
. (1954 ) Proc. R. Soc. Med.
47 , 827 .
2.
Geist
R M
Mullen
W H
. (1953 ) Amer. J. Roentgenol.
70 , 566 .
3.
Mills
C P
. (1958 ) J. Laryng.
72 , 849 .
4.
Paterson
W
. (1956 ) Acta otolaryng., Stockh.
46 , 43 .
5.
Stewart
J P
. (1933 ) J. Laryng.
48 , 657 .
6.
Woods
R
. (1921 ) Brit. med. J.
ii , 65 .