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Chen HL, Huang YF, Lim TS, Su CH, Chen PH, Su AC, Wong KT, Chao TC, Chan SI, Fann W.Chen HL, et al. Among authors: chen ph.J Phys Chem B. 2009 Jun 25;113(25):8527-31. doi: 10.1021/jp901556v.J Phys Chem B. 2009.PMID: 19485362
Chen RP, Huang JJ, Chen HL, Jan H, Velusamy M, Lee CT, Fann W, Larsen RW, Chan SI.Chen RP, et al. Among authors: chen hl.Proc Natl Acad Sci U S A. 2004 May 11;101(19):7305-10. doi: 10.1073/pnas.0304922101. Epub 2004 May 3.Proc Natl Acad Sci U S A. 2004.PMID: 15123838Free PMC article.