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Hayes AR, Gayzik FS, Moreno DP, Martin RS, Stitzel JD.Hayes AR, et al. Among authors: moreno dp.Comput Math Methods Med. 2013;2013:419821. doi: 10.1155/2013/419821. Epub 2013 Mar 27.Comput Math Methods Med. 2013.PMID: 23606901Free PMC article.