Do Concussions Cause CTE? Sports Doctors and Scientists Disagree. - The New York Times
What are the collars NFL players are wearing in their necks? - AS USA
Q-Collar: Helps Protect Athletes From Brain Injury
13 Questions About How the Human Body Works Answered
Kids, Sports & the Concussed Brain - Chasing Life with Dr. Sanjay Gupta - Podcast on CNN Audio
Q-Collar device to help prevent concussion worn at World Cup
Scientists Have Established a Key Biological Difference Between Psychopaths and Normal People
Football players brain disease CTE appears rare in military
5 steps football must take to protect players' brains
Setting the record straight on CTE
Q30: Brain Protection, FDA-Cleared Q-Collar
Pro and con: Is football too dangerous for kids? - WHYY
What is the Q Collar, the device NFL players are wearing around their necks
Truth About Concussions, High School Football, CTE – Rolling Stone
CTE Found in Brains of Deceased Football Players - The Eichholz Law Firm