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Metwally FH, Abdelkawy M, Abdelwahab NS.Metwally FH, et al. Among authors: abdelwahab ns.Spectrochim Acta A Mol Biomol Spectrosc. 2007 Dec 31;68(5):1220-30. doi: 10.1016/j.saa.2007.01.024. Epub 2007 Jan 30.Spectrochim Acta A Mol Biomol Spectrosc. 2007.PMID: 17353143
Hegazy MA, Metwaly FH, Abdelkawy M, Abdelwahab NS.Hegazy MA, et al. Among authors: abdelwahab ns.Drug Test Anal. 2010 May;2(5):243-51. doi: 10.1002/dta.125.Drug Test Anal. 2010.PMID: 20468012
Ali NW, Abdelwahab NS, Abdelkawy M, Emam AA.Ali NW, et al. Among authors: abdelwahab ns.Spectrochim Acta A Mol Biomol Spectrosc. 2016 Feb 5;154:114-122. doi: 10.1016/j.saa.2015.10.037. Epub 2015 Oct 24.Spectrochim Acta A Mol Biomol Spectrosc. 2016.PMID: 26519919