1. The effect of transplant center volume on survival after heart transplantation: A multicenter study 
Jeffrey H. Shuhaiber, MD, Jeff Moore, MS, David B. Dyke, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 139, Issue 4, Pages (April 2010)
DOI: /j.jtcvs
Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Risk-adjusted patient survival. Each curve describes survival of a hypothetic cohort of patients with average values within each volume quartile.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions