1. Factors predicting the progress of mitral valve disease in surgically treated adults with ostium primum atrial septal defects 
Vijay Agarwal, MCh, FRCS, Suneil Kumar Aggarwal, MRCP, Choudary D. Voleti, MD, FACS 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 137, Issue 3, Pages (March 2009)
DOI: /j.jtcvs
Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Kaplan–Meier plot of freedom from moderate or severe mitral regurgitation (MR) with time.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2009 The American Association for Thoracic Surgery Terms and Conditions