1. Fixing the supply problem
Brett R. Anderson, MD, MBA, MS 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 156, Issue 3, (September 2018)
DOI: /j.jtcvs
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1 Supply–demand curve: As supply increases, prices drop.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

3. The Journal of Thoracic and Cardiovascular Surgery 2018 156, DOI: (10
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions