1. Frank C. Spencer, MD, FACS, pioneering cardiothoracic surgeon
Richard J. Shemin, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 157, Issue 2, Pages (February 2019)
DOI: /j.jtcvs
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

2. Richard J. Shemin, MD
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  , DOI: ( /j.jtcvs )
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

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