1. Ten-year echocardiographic and clinical follow-up of aortic Carpentier-Edwards pericardial and supraannular prosthesis: a case-match study 
Thierry Le Tourneau, MD, André Vincentelli, MD, Georges Fayad, MD, Christine Savoye, MD, Olivier H Fabre, MD, Alain Prat, MD, Henri Warembourg, MD 
The Annals of Thoracic Surgery 
Volume 74, Issue 6, Pages (December 2002)
DOI: /S (02)

2. Fig 1
Actuarial survival in 150 patients who underwent aortic valve replacement with either a supraannular porcine or pericardial Carpentier-Edwards (CE) valve.p= not significant (NS) between the two groups.
The Annals of Thoracic Surgery  , DOI: ( /S (02) )

3. Fig 2
Actuarial slope of freedom from structural valve dysfunction or reoperation in the supraannular and pericardial groups.p< 0.05 between the two groups. (CE= Carpentier-Edwards.)
The Annals of Thoracic Surgery  , DOI: ( /S (02) )