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Fout GS, Cashdollar JL, Varughese EA, Parshionikar SU, Grimm AC.Fout GS, et al. Among authors: grimm ac.J Vis Exp. 2015 Mar 28;(97):52067. doi: 10.3791/52067.J Vis Exp. 2015.PMID: 25867928Free PMC article.