1. Commentary: Points to ponder—Perioperative antithrombotic therapy in neonates with congenital heart disease…more harm than good? 
Mary Patricia Massicotte, MD, MSc, MHSc, Mary Elisabeth Bauman, BA, RN, MN 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 157, Issue 6, Pages (June 2019)
DOI: /j.jtcvs
Copyright © 2019 The American Association for Thoracic Surgery Terms and Conditions

2. Observational studies determine associations, not cause and effect.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2019 The American Association for Thoracic Surgery Terms and Conditions