*Department of Surgery, Boston University School of Medicine and the Trauma Center, Boston Medical Center, Boston, MA, USA Correspondence address: Erwin F Hirsch, MD, FACS, Boston Medical Center, One Boston Medical Center Place, Boston, MA 02118-2393, USA. Submitted May 27, 2003; revised August 26, 2003; accepted September 3, 2003. No competing interest declared.
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Erwin F. Hirsch (2004) studied this question.