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Yates A, Norwig J, Maroon JC, Bost J, Bradley JP, Duca M, Wecht DA, Grove R, Iso A, Cobb I, Ross N, Borden M.Yates A, et al. Among authors: maroon jc.Sports Health. 2009 Jan;1(1):21-30. doi: 10.1177/1941738108326978.Sports Health. 2009.PMID: 23015851Free PMC article.
Maroon JC, Bost JW, Borden MK, Lorenz KM, Ross NA.Maroon JC, et al.Neurosurg Focus. 2006 Oct 15;21(4):E11. doi: 10.3171/foc.2006.21.4.12.Neurosurg Focus. 2006.PMID: 17112189Review.