1. The Ross II Procedure: Pulmonary Autograft in the Mitral Position
Thanos Athanasiou, MD, PhD, Ashok Cherian, MD, Donald Ross, FRCS 
The Annals of Thoracic Surgery 
Volume 78, Issue 4, Pages (October 2004)
DOI: /j.athoracsur

2. Fig 1 Early development of the Ross II procedure by Hubka.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

3. Fig 2 The “top hat” modification to the Ross II procedure.
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

4. Fig 3
Autograft in the mitral position without pericardial collar (Kabbani modification).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )

5. Fig 4
Ross II procedure (autograft in the mitral position with pericardial collar “top hat”).
The Annals of Thoracic Surgery  , DOI: ( /j.athoracsur )