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Groenewold GS, Gianotto AK, Cossel KC, Van Stipdonk MJ, Moore DT, Polfer N, Oomens J, de Jong WA, Visscher L.Groenewold GS, et al.J Am Chem Soc. 2006 Apr 12;128(14):4802-13. doi: 10.1021/ja058106n.J Am Chem Soc. 2006.PMID: 16594717