1. Transaortic approach for the Alfieri stitch
Göran Källner, MD, Jan van der Linden, MD, Leonidas Hadjinikolaou, MD, Dan Lindblom, MD 
The Annals of Thoracic Surgery 
Volume 71, Issue 1, Pages (January 2001)
DOI: /S (00)02186-X

2. Fig 1
Alfieri mitral plasty through the aortic valve. (A = anterior mitral leaflet; P = posterior mitral leaflet; L = left aortic sinus; N = noncoronary aortic sinus; R = right aortic sinus.)
The Annals of Thoracic Surgery  , DOI: ( /S (00)02186-X)