1. CTSNet: a unique educational vehicle
Richard M Engelman, MD 
The Annals of Thoracic Surgery 
Volume 69, Issue 1, Pages (January 2000)
DOI: /S (99)

2. Fig 1 The home page for the CTSNet Controversies section.
The Annals of Thoracic Surgery  , DOI: ( /S (99) )

3. Fig 2
Poll results from the Controversy “Does Aortic Valve Size Make a Difference in Early and Late Outcome?”
The Annals of Thoracic Surgery  , DOI: ( /S (99) )