1. Effectiveness of electroacupuncture analgesia compared with opioid administration in a dog model: a pilot study 
D. Groppetti, A.M. Pecile, P. Sacerdote, V. Bronzo, G. Ravasio 
British Journal of Anaesthesia 
Volume 107, Issue 4, Pages (October 2011)
DOI: /bja/aer199
Copyright © 2011 The Author(s) Terms and Conditions

2. Fig 1
Mean (sd) β-endorphin concentrations (pg ml−1) and pain scale score. *P<0.05; RD, rescue drug administration; T0, basal concentration; T1, 40 min after T0; T2, skin incision; T3, second ovary traction; T4, end of surgery; T5, 1 h after surgery end; T6, 3 h after surgery end; T7, 6 h after surgery end; T8, 12 h after surgery end; T9, 24 h after surgery end.
British Journal of Anaesthesia  , DOI: ( /bja/aer199)
Copyright © 2011 The Author(s) Terms and Conditions