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Helmich, I., Saluja, R.S., Lausberg, H., Kempe, M., Furley P., Berger, A., Chen, J.-K., & Ptito, A. (2015). Persistent post-concussive symptoms are accompanied by decreased functional brain oxygenation. Journal of Neuropsychiatry and Clinical Neurosciences. DOI:10.1176/appi.neuropsych.14100276