1. Benefits and risks of epidural analgesia in cardiac surgery†
G. Landoni, F. Isella, M. Greco, A. Zangrillo, C.F. Royse 
British Journal of Anaesthesia 
Volume 115, Issue 1, Pages (July 2015)
DOI: /bja/aev201
Copyright © 2015 The Author(s) Terms and Conditions

2. Fig 1
Flow chart of the articles selection process for randomized and matched trials.
British Journal of Anaesthesia  , 25-32DOI: ( /bja/aev201)
Copyright © 2015 The Author(s) Terms and Conditions

3. Fig 2
Forest plot for mortality risk of combined epidural-general anaesthesia vs general anaesthesia alone in cardiac surgery.
British Journal of Anaesthesia  , 25-32DOI: ( /bja/aev201)
Copyright © 2015 The Author(s) Terms and Conditions