1. Shed Mediastinal Blood Transfusion After Cardiac Operations: A Cost-Effectiveness Analysis 
Meredith L. Kilgore, Albert D. Pacifico 
The Annals of Thoracic Surgery 
Volume 65, Issue 5, Pages (May 1998)
DOI: /S (98)

2. Fig. 1
Cross-tabulations for autologous by allogeneic blood transfusion (see Table 3 for statistics).
The Annals of Thoracic Surgery  , DOI: ( /S (98) )

3. Fig. 2 Simple autotransfusion decision tree. (ATN = Autotransfusion.)
The Annals of Thoracic Surgery  , DOI: ( /S (98) )

4. Fig. 3
Full decision tree. (ATN = autotransfusion; EV = expected value.)
The Annals of Thoracic Surgery  , DOI: ( /S (98) )