1. Respiratory Retention of One Micron Particles in Man
John T. Weimer, B.S., Thomas A. Ballard, B.S., Charles L. Punte, B.S. 
Diseases of the Chest 
Volume 44, Issue 3, Pages (September 1963)
DOI: /chest
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

4. FIGURE 3
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

5. FIGURE 4
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

6. FIGURE 5
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions

7. FIGURE 6
Diseases of the Chest  , DOI: ( /chest )
Copyright © 1963 The American College of Chest Physicians Terms and Conditions