1. Volume 42, Issue 2, Pages 218-221 (August 1962)
Nonperforative Pneumothorax with Negative Pressure: Traction Pneumothorax 
E. LOPES CARDOZO, M.D. 
Diseases of the Chest 
Volume 42, Issue 2, Pages (August 1962)
DOI: /chest
Copyright © 1962 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1962 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1962 The American College of Chest Physicians Terms and Conditions