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Kumar A, Dmytriw AA, Salem MM, Kuhn AL, Phan K, Bharatha A, Spears J, Thomas A, Puri A, Marotta TR.Kumar A, et al. Among authors: spears j.Neurosurgery. 2020 Aug 1;87(2):383-393. doi: 10.1093/neuros/nyaa005.Neurosurgery. 2020.PMID: 32022238
O'Kelly CJ, Spears J, Chow M, Wong J, Boulton M, Weill A, Willinsky RA, Kelly M, Marotta TR.O'Kelly CJ, et al. Among authors: spears j.AJNR Am J Neuroradiol. 2013 Feb;34(2):381-7. doi: 10.3174/ajnr.A3224. Epub 2012 Aug 2.AJNR Am J Neuroradiol. 2013.PMID: 22859284Free PMC article.
Cruz JP, O'Kelly C, Kelly M, Wong JH, Alshaya W, Martin A, Spears J, Marotta TR.Cruz JP, et al. Among authors: spears j.AJNR Am J Neuroradiol. 2013 Feb;34(2):271-6. doi: 10.3174/ajnr.A3380. Epub 2012 Oct 11.AJNR Am J Neuroradiol. 2013.PMID: 23064594Free PMC article.