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Polavarapu N, Mariño-Ramírez L, Landsman D, McDonald JF, Jordan IK.Polavarapu N, et al.BMC Genomics. 2008 May 17;9:226. doi: 10.1186/1471-2164-9-226.BMC Genomics. 2008.PMID: 18485226Free PMC article.