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2. Mayo Clinic. Post-concussion syndrome definition. http://www.mayoclinic.org/diseases-conditions/post-concussion-syndrome/basics/definition/con-20032705. Accessed January 9 2017.
3. The Concussion/mTBI Working Group. VA/DoD Clinical Practice Guideline. Management of Concussion/mild traumatic brain injury. 2009; www.healthquality.va.gov/guidelines/Rehab/mtbi/concussion_mtbi_full_1_0.pdf. Accessed January 17 2017.
4. The Psychiatric Sequelae of Traumatic Injury
5. Misdiagnosis of the persistent postconcussion syndrome in patients with depression