1. Process is helpful, but the procurement problem persists
Scott Millikan, MD, Gregory Trachiotis, MD, Robert M. Sade, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 157, Issue 4, (April 2019)
DOI: /j.jtcvs
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

2. The Journal of Thoracic and Cardiovascular Surgery 2019 157, DOI: (10
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions