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Pezzin LE, Keyl PM, Green GB.Pezzin LE, et al. Among authors: keyl pm.Acad Emerg Med. 2007 Feb;14(2):149-56. doi: 10.1197/j.aem.2006.08.020.Acad Emerg Med. 2007.PMID: 17267531Free article.
Lesikar SE, Gallo JJ, Rebok GW, Keyl PM.Lesikar SE, et al. Among authors: keyl pm.J Am Board Fam Pract. 2002 Jan-Feb;15(1):11-9.J Am Board Fam Pract. 2002.PMID: 11841134Free article.