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Summers MM, Couch BA, Knight JK, Brownell SE, Crowe AJ, Semsar K, Wright CD, Smith MK.Summers MM, et al. Among authors: couch ba.CBE Life Sci Educ. 2018 Jun;17(2):ar18. doi: 10.1187/cbe.17-02-0037.CBE Life Sci Educ. 2018.PMID: 29749852Free PMC article.