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Sen A, Barizuddin S, Hossain M, Polo-Parada L, Gillis KD, Gangopadhyay S.Sen A, et al.Biomaterials. 2009 Mar;30(8):1604-12. doi: 10.1016/j.biomaterials.2008.11.039. Epub 2009 Jan 4.Biomaterials. 2009.PMID: 19124153Free PMC article.