1. Pre-dicting post-ligation syndrome
Shahab Noori, MD, MS, CBTI, S. Ram Kumar, MD, PhD, FACS 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 154, Issue 6, Pages (December 2017)
DOI: /j.jtcvs
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Transthoracic echocardiogram showing a large patent ductus arteriosus (PDA) with left-to-right shunting. LPA, Left pulmonary artery; RPA, right pulmonary artery.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions

3. Transthoracic echocardiogram showing a large patent ductus arteriosus with left-to-right shunting.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2017 The American Association for Thoracic Surgery Terms and Conditions