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Kowal-Vern A, Gamelli RL, Walenga JM, Hoppensteadt D, Sharp-Pucci M, Schumacher HR.Kowal-Vern A, et al. Among authors: hoppensteadt d.J Trauma. 1992 Jul;33(1):50-6; discussion 56-7. doi: 10.1097/00005373-199207000-00011.J Trauma. 1992.PMID: 1635106