Key points are not available for this paper at this time.
From the Department of Emergency Medicine (NCM) and the Department of Surgery (RJM), Oregon Health Sciences University, School of Medicine, Portland, Oregon. Sponsorship: This study was supported by grant R49/CCR-006283 from the US Public Health Service, Centers for Disease Control and Prevention, National Center for Injury Prevention and Control, Atlanta, Georgia. The authors are solely responsible for the contents of the article, and the opinions do not necessarily represent the views of the Centers for Disease Control and Prevention. Address for reprints: N. Clay Mann, PhD, MS, Oregon Health Sciences University, Department of Emergency Medicine, CR-114, 3181 SW Sam Jackson Park Road, Portland, OR 97201-3098; Fax: 503-494-4640; E-mail: email protected.
Mann et al. (Wed,) studied this question.
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