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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.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.