The Annals of Thoracic Surgery An Unusual Case of Severe Mitral Regurgitation Due to a Focal Large Peri-Ring Defect in a Patient With Mitral Valve Repair Mohammad Q. Najib, MD, Hari P. Chaliki, MD, Satya S. Vittala, MBBS, Amol Raizada, MD, Roger L. Click, MD, PhD The Annals of Thoracic Surgery Volume 93, Issue 6, (June 2012) DOI: 10.1016/j.athoracsur.2012.01.001 Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions
Fig 1 The Annals of Thoracic Surgery 2012 93, DOI: (10.1016/j.athoracsur.2012.01.001) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions