Abstract

References
1.
Ewing
J.
(1940 ) Neoplastic Diseases . Philadelphia and London .
2.
Godtfredsen
E.
(1944 ) Acta oto-laryngol., Stockh. , Suppl. 59 .
3.
Harvey
W. F.
Dawson
E. K.
Innes
J. R.
(1937 ) Edinb. med. J. , 44 , 549 .
4.
Jolly
C.
(1911 ) C.R. Ass. Anat., Paris & Nancy , 13 , 164 .
5.
Martin
H. E.
Blady
J. V.
(1940 ) Arch. Otolaryng., Chicago , 32 , 692 .
6.
New
G. B.
Stevenson
W.
(1943 ) Arch. Otolaryng., Chicago , 38 , 205 .
7.
Nielsen
J.
(1945 ) Acta radiol., Stockh. , 26 , 133 .
8.
Quick
D.
Cutler
M.
(1927 ) Surg. Gynec. Obstet. , 45 , 320 .
9.
Reverchon
L.
Coutard
H.
(1921 ) Bull. Soc. franç. Oto-rhino-lar. , 34 , 209 .
10.
Schminke
A.
(1921 ) Beitr. path. Anat. , 68 , 161 .
11.
Trotter
W.
(1911 ) Brit. med. J. (ii ), 1057 .
12.
Willis
R. A.
(1948 ) Pathology of Tumours . London .
