Abstract
Get full access to this article
View all access options for this article.
References
1.
Maloney
W. H.
: Peroral Endoscopy in Cardiac Surgery , Tex. State Jour, of Med. 49 :861 –864 (Dec.) 1953 .
2.
Massey
F. C.
: Clinical Cardiology , Williams and Wilkins , Baltimore , 1953 .
3.
Pullen
R. L.
: Pulmonary Diseases , Lea and Febiger , Philadelphia , 1955 .