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Fernández-Frackelton M, Peterson M, Lewis RJ, Pérez JE, Coates WC.Fernández-Frackelton M, et al. Among authors: lewis rj.Teach Learn Med. 2007 Winter;19(1):14-9. doi: 10.1080/10401330709336618.Teach Learn Med. 2007.PMID: 17330994
Haukoos JS, Witt MD, Zeumer CM, Lee TJ, Halamka JD, Lewis RJ.Haukoos JS, et al. Among authors: lewis rj.Acad Emerg Med. 2002 Sep;9(9):880-8. doi: 10.1111/j.1553-2712.2002.tb02188.x.Acad Emerg Med. 2002.PMID: 12208676Free article.