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Angst MS, Tingle M, Schmelz M, Carvalho B, Yeomans DC.Angst MS, et al.J Vis Exp. 2008 Dec 1;(22):1074. doi: 10.3791/1074.J Vis Exp. 2008.PMID: 19229167Free PMC article.
Angst MS, Tingle M, Phillips NG, Carvalho B.Angst MS, et al.J Vis Exp. 2009 Jan 14;(23):1092. doi: 10.3791/1092.J Vis Exp. 2009.PMID: 19229176Free PMC article.