1. Preoperative PFTs: The answer is blowing in the wind
Paul Kurlansky, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 151, Issue 4, Pages (April 2016)
DOI: /j.jtcvs
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1 Pulmonary function tests.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions

3. PFTs.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2016 The American Association for Thoracic Surgery Terms and Conditions