1. Skin pigmentation interferes with the clinical measurement of regional cerebral oxygen saturation 
X. Sun, J. Ellis, P.J. Corso, P.C. Hill, F. Chen, J. Lindsay 
British Journal of Anaesthesia 
Volume 114, Issue 2, Pages (February 2015)
DOI: /bja/aeu335
Copyright © 2015 The Author(s) Terms and Conditions

2. Fig 1
Preoperative rSO2 by ethnic group. The number of patients associated with each level of rSO2 is depicted. Notice the normal distribution of the data in each ethnic group with that in AAs being systematically lower.
British Journal of Anaesthesia  , DOI: ( /bja/aeu335)
Copyright © 2015 The Author(s) Terms and Conditions