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Mahdy MM, Abbas MS, Kamel EZ, Mostafa MF, Herdan R, Hassan SA, Hassan R, Taha AM, Ibraheem TM, Fadel BA, Geddawy M, Sayed JA, Ibraheim OA.Mahdy MM, et al. Among authors: herdan r.BMC Anesthesiol. 2019 Jun 15;19(1):106. doi: 10.1186/s12871-019-0779-6.BMC Anesthesiol. 2019.PMID: 31200638Free PMC article.Clinical Trial.
Abdel-Rahman KA, Elawamy AM, Mostafa MF, Hasan WS, Herdan R, Osman NM, Ibrahim AS, Aly MG, Ali AS, Abodahab GM.Abdel-Rahman KA, et al. Among authors: herdan r.Eur J Pain. 2020 Feb;24(2):338-345. doi: 10.1002/ejp.1489. Epub 2019 Oct 16.Eur J Pain. 2020.PMID: 31571339Clinical Trial.