1. Ultrasound, endoscopy, and the recurrent nerve
Scott M. Bradley, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 155, Issue 6, Pages (June 2018)
DOI: /j.jtcvs
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Course of the left recurrent laryngeal nerve looping around the aorta and ductus.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions

3. Course of the left recurrent laryngeal nerve looping around the aorta and ductus.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2018 The American Association for Thoracic Surgery Terms and Conditions