Brambrink Ansgar M, Kirsch Jeffrey R
Department of Anesthesiology and Perioperative Medicine, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239-3098, USA.
Anesthesiol Clin. 2012 Jun;30(2):xv-xvii. doi: 10.1016/j.anclin.2012.06.005. Epub 2012 Jul 28.