1. Why is the surgical high-risk patient still at risk?
H Kehlet, M Mythen 
British Journal of Anaesthesia 
Volume 106, Issue 3, Pages (March 2011)
DOI: /bja/aeq408
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1
Surgical stress responses and perioperative events to make a high-risk surgical patient at risk and potential strategies for intervention or prevention (x, evidence-based; o, need further studies).
British Journal of Anaesthesia  , DOI: ( /bja/aeq408)
Copyright © 2011 The Author(s) Terms and Conditions