NFL and players union announce new quarterback-specific helmet to combat concussions - WSVN 7News, Miami News, Weather, Sports
NFL, NFLPA approve QB-specific helmet designed to reduce concussions - NBC Sports
NFL players have two-fold concussion risk on colder game days, study suggests
Riddell launches Axiom, latest helmet to combat concussions
What is C.T.E.? - The New York Times
Tuesday Morning Quarterback
NFL's new quarterback specific helmet design – United Brain Association
The NFL's Engineering Roadmap: Driving Progress Toward Better Protective Equipment
Could This Helmet Save Football From The Sport's Concussion Problem?
United Brain Association Blogs
South Georgia football team hopes new helmets can reduce brain injuries, CNHI