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Bekker A, Cooper PR, Frempong-Boadu A, Babu R, Errico T, Lebovits A.Bekker A, et al.Neurosurgery. 2002 May;50(5):1053-7; discussion 1057-8. doi: 10.1097/00006123-200205000-00019.Neurosurgery. 2002.PMID: 11950408Clinical Trial.
Valdevit A, Errico TJ.Valdevit A, et al. Among authors: errico tj.Spine J. 2004 Nov-Dec;4(6 Suppl):276S-288S. doi: 10.1016/j.spinee.2004.07.016.Spine J. 2004.PMID: 15541677Review.