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Olson MA, Carra JH, Roxas-Duncan V, Wannemacher RW, Smith LA, Millard CB.Olson MA, et al. Among authors: millard cb.Protein Eng Des Sel. 2004 Apr;17(4):391-7. doi: 10.1093/protein/gzh043. Epub 2004 Jun 8.Protein Eng Des Sel. 2004.PMID: 15187223