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Seo JK, Choi WS, Kim HD, Lee JH, Choi EC, Kim HJ, Hong B.Seo JK, et al. Among authors: choi ws, choi ec.J Nanosci Nanotechnol. 2011 Dec;11(12):11032-6. doi: 10.1166/jnn.2011.4022.J Nanosci Nanotechnol. 2011.PMID: 22409050