Ross Allison K, Kussman Barry, Valley Robert D, Flack Sean, Ahmed Zulfiqar, Gooden Cheryl K, Georges Linda, Lauro Helen V, Malviya Shobha
Duke University School of Medicine, USA.
Anesth Analg. 2010 Nov;111(5):1331-3. doi: 10.1213/ane.0b013e3181f1bec6.