Initial symptom presentation after high school football-related concussion varies by time point in a season: an initial investigation by Benjamin L. Brett, Andrew W. Kuhn, Aaron M. Yengo-Kahn, Zachary Y. Kerr, Christopher M. Bonfield, Gary S. Solomon, Scott L. Zuckerman

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Refinement of saliva microRNA biomarkers for sports-related concussion by Steven D. Hicks, Cayce Onks, Raymond Y. Kim, Kevin J. Zhen, Jayson Loeffert, Andrea C. Loeffert, Robert P. Olympia, Gregory Fedorchak, Samantha DeVita, Zofia Gagnon, Callan McLoughlin, Miguel M. Madeira, Scott L. Zuckerman, Timothy Lee, Matthew Heller, Chuck Monteith, Thomas R. Campbell, Christopher Neville, Elise Fengler, Michael N. Dretsch

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