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Abdalla OM, Abdel-Megied AM, Saad AS, Soliman SS.Abdalla OM, et al. Among authors: saad as.Spectrochim Acta A Mol Biomol Spectrosc. 2018 Oct 5;203:112-117. doi: 10.1016/j.saa.2018.05.064. Epub 2018 May 16.Spectrochim Acta A Mol Biomol Spectrosc. 2018.PMID: 29860167