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Buonincontri G, Methner C, Carpenter TA, Hawkes RC, Sawiak SJ, Krieg T.Buonincontri G, et al. Among authors: sawiak sj.J Vis Exp. 2013 Dec 19;(82):e50806. doi: 10.3791/50806.J Vis Exp. 2013.PMID: 24378323Free PMC article.