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Bailey CM, Samples HL, Broshek DK, Freeman JR, Barth JT.Bailey CM, et al. Among authors: barth jt.Clin J Sport Med. 2010 Jul;20(4):272-7. doi: 10.1097/JSM.0b013e3181e8f8d8.Clin J Sport Med. 2010.PMID: 20606512
McCrea M, Broshek DK, Barth JT.McCrea M, et al. Among authors: barth jt.Brain Inj. 2015;29(2):276-82. doi: 10.3109/02699052.2014.965216. Epub 2014 Oct 14.Brain Inj. 2015.PMID: 25313678