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He L, Wu XX, Liu HG, Zheng WC.He L, et al. Among authors: zheng wc.Spectrochim Acta A Mol Biomol Spectrosc. 2007 Nov;68(3):891-3. doi: 10.1016/j.saa.2006.12.075. Epub 2007 Jan 13.Spectrochim Acta A Mol Biomol Spectrosc. 2007.PMID: 17418624
Zhou Q, Wu HY, Wu XX, Zheng WC.Zhou Q, et al. Among authors: zheng wc.Spectrochim Acta A Mol Biomol Spectrosc. 2006 Jul;64(4):945-8. doi: 10.1016/j.saa.2005.09.002. Epub 2006 Feb 2.Spectrochim Acta A Mol Biomol Spectrosc. 2006.PMID: 16458582
Feng WL, Liu HG, Zheng WC.Feng WL, et al. Among authors: zheng wc.Spectrochim Acta A Mol Biomol Spectrosc. 2008 Nov 15;71(2):559-61. doi: 10.1016/j.saa.2007.12.038. Epub 2008 Jan 12.Spectrochim Acta A Mol Biomol Spectrosc. 2008.PMID: 18280776