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Simon SD, Koyama T, Zacharia BE, Schirmer CM, Cheng JS.Simon SD, et al. Among authors: cheng js.World Neurosurg. 2015 Apr;83(4):431-7. doi: 10.1016/j.wneu.2015.01.011. Epub 2015 Feb 3.World Neurosurg. 2015.PMID: 25655690
Adogwa O, Carr K, Thompson P, Hoang K, Darlington T, Perez E, Fatemi P, Gottfried O, Cheng J, Isaacs RE.Adogwa O, et al.World Neurosurg. 2015 May;83(5):860-6. doi: 10.1016/j.wneu.2014.12.034. Epub 2014 Dec 19.World Neurosurg. 2015.PMID: 25535070