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El-Sayed I, Pletcher S, Russell M, McDermott M, Parsa A.El-Sayed I, et al.Laryngoscope. 2011 Apr;121(4):694-8. doi: 10.1002/lary.21469.Laryngoscope. 2011.PMID: 21433014
Jahangiri A, Jian B, Miller L, El-Sayed IH, Aghi MK.Jahangiri A, et al.Neurosurg Clin N Am. 2013 Jan;24(1):79-88. doi: 10.1016/j.nec.2012.08.007. Epub 2012 Oct 10.Neurosurg Clin N Am. 2013.PMID: 23174359Review.