Abstract

Get full access to this article
View all access options for this article.
References
1.
Exner
Packard
Radiol.
1935 , vol. 25 p. 391 .
2.
Henshaw
Francis
Radiol.
1936 , vol. 27 , p. 569 .
3.
Packard
Radiol.
1940 , vol. 34 p. 17 .
4.
Stone
Radiol.
1938 , vol. 30 p. 88 .
5.
Witwer
Leucutia
Radiol.
1940 , vol. 34 p. 24 .
6.
den Hoed
Radiol.
1935 , vol. 25 p. 57 –81 .
