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Abdel-Aziz M, Khalifa B, Shawky A, Rashed M, Naguib N, Abdel-Hameed A.Abdel-Aziz M, et al.Braz J Otorhinolaryngol. 2016 Jul-Aug;82(4):422-6. doi: 10.1016/j.bjorl.2015.08.025. Epub 2015 Dec 18.Braz J Otorhinolaryngol. 2016.PMID: 26777079Free PMC article.