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El Hady HM, Metwally F, El Gendy MF, Elserougy S, Helmy MA.El Hady HM, et al.Toxicol Ind Health. 2014 Aug;30(7):645-52. doi: 10.1177/0748233712462469. Epub 2012 Oct 5.Toxicol Ind Health. 2014.PMID: 23042594
El Safty A, Metwally FM, Mohammed Samir A, ElShahawy A, Raouf EA.El Safty A, et al. Among authors: metwally fm.Toxicol Ind Health. 2015 Dec;31(12):1087-94. doi: 10.1177/0748233713486957. Epub 2013 Apr 26.Toxicol Ind Health. 2015.PMID: 23625906Clinical Trial.