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Risk modifiers for concussion and prolonged recovery.
Scopaz KA, Hatzenbuehler JR. Scopaz KA, et al. Among authors: hatzenbuehler jr. Sports Health. 2013 Nov;5(6):537-41. doi: 10.1177/1941738112473059. Sports Health. 2013. PMID: 24427429 Free PMC article.