CATT - Concussion Awareness Training Tool
cattonline.com

​Ontario Neurotrauma Foundation
http://onf.org/documents

Guidelines for Concussion/mBTI & Persistent Symptoms: 2nd Edition
http://onf.org/documents/guidelines-for-concussion-mtbi-persistent-symptoms-second-edition

CDC - Centers for Disease Control and Prevention - Heads Up
http://www.cdc.gov/headsup/index.html

Heads Up - Facts for Physicians about Mild Traumatic Brain Injury (mBTI)
http://www.cdc.gov/concussion/headsup/pdf/facts_for_physicians_booklet-a.pdf