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Friedman ER, Butler KH.Friedman ER, et al. Among authors: butler kh.J Emerg Med. 2018 Dec;55(6):e137-e139. doi: 10.1016/j.jemermed.2018.09.002. Epub 2018 Oct 2.J Emerg Med. 2018.PMID: 30287135
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Butler K, Winters M.Butler K, et al.Emerg Med Clin North Am. 2022 Aug;40(3):615-627. doi: 10.1016/j.emc.2022.05.011. Epub 2022 Jul 9.Emerg Med Clin North Am. 2022.PMID: 35953220Review.
Santiago MJ, Hayes BD, Butler KH.Santiago MJ, et al. Among authors: butler kh.Ann Pharmacother. 2013 Apr;47(4):e17. doi: 10.1345/aph.1R681. Epub 2013 Mar 19.Ann Pharmacother. 2013.PMID: 23512664