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El-Megharbel SM, Hamza RZ, Refat MS.El-Megharbel SM, et al. Among authors: hamza rz.Spectrochim Acta A Mol Biomol Spectrosc. 2014 Oct 15;131:534-44. doi: 10.1016/j.saa.2014.04.108. Epub 2014 Apr 30.Spectrochim Acta A Mol Biomol Spectrosc. 2014.PMID: 24840496