1. The CarboMedics “Top-Hat” supraannular prosthesis
José M Bernal, MD, Rafael Martin-Duran, MD, José M Rabasa, MD, José M Revuelta, MD 
The Annals of Thoracic Surgery 
Volume 67, Issue 5, Pages (May 1999)
DOI: /S (99)

2. Fig 1 Actuarial survival curve at 42 months after operation.
The Annals of Thoracic Surgery  , DOI: ( /S (99) )

3. Fig 2
Comparison between measurements obtained using CarboMedics standard and supraannular (“Top-Hat”) aortic valve sizers.
The Annals of Thoracic Surgery  , DOI: ( /S (99) )