Abstract

References
1.
Conway
D. J.
(1951 ) Arch. Dis. Childh ., 26 , 504 .
2.
Cruickshank
G.
Cruickshank
D. B.
(1951 ) Thorax , 6 , 145 .
3.
Davidson
M.
Smithers
D. W.
Tubbs
O. S.
(1951 ) The Diagnosis and Treatment of Intrathoracic Growths . London , p. 28 .
4.
Davis
E. W.
Salkin
D.
(1947 ) J. Amer. med. Ass ., 135 , 218 .
5.
Fontanus
(1638 ) Quoted by Conway (1951).
6.
King
J. C.
Harris
L. C.
(1937 ) J. Amer. med. Ass ., 108 , 274 .
7.
Koontz
A. R.
(1925 ) Bull. Johns Hopk. Hosp ., 37 , 340 .
8.
Miller
W. S.
(1947 ) The Lung . Springfield .
9.
Muir
R.
(1941 ) Textbook of Pathology . 5th edition , London .
10.
Peirce
C. B.
Dirkse
P. R.
(1937 ) Radiology , 28 , 651 .
11.
Rizzi
G.
de Lorenzi
O.
(1948 ) Cisti e Pseudocisti del Polmone . 2nd edition , Faenza.
12.
Schenck
S. G.
(1937 ) Arch. intern. Med ., 60 , 1 .
13.
Sellors
T. H.
(1938 ) Tubercle, Lond ., 20 , 49 .
