1. Instrumental Transatrial Mitral Valvotomy
F. RONALD EDWARDS, M.D. 
Diseases of the Chest 
Volume 46, Issue 2, Pages (August 1964)
DOI: /chest
Copyright © 1964 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1 The mitral valve splitter in the opened position.
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1964 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2
Demonstration of the action of transatrial mitral valve splitter.
(Both figures are reproduced through the courtesy of Thorax, from Volume 17:271, 1962.)
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1964 The American College of Chest Physicians Terms and Conditions