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Youssef A, Carrau RL, Tantawy A, Ibraheim A, Solares AC, Otto BA, Prevedello DM, Filho LD.Youssef A, et al. Among authors: carrau rl.J Neurol Surg B Skull Base. 2015 Sep;76(5):358-64. doi: 10.1055/s-0035-1549003. Epub 2015 May 13.J Neurol Surg B Skull Base. 2015.PMID: 26401477Free PMC article.