Seymour Christopher W, Pryor John P, Gupta Rajan, Schwab C William
Division of Traumatology and Surgical Critical Care, Department of Surgery, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA.
J Trauma. 2004 Nov;57(5):1105-7. doi: 10.1097/01.ta.0000133578.57031.97.