Gridiron Game Changer - San Diego Business Journal
American Football - Burnham & Slough 15 - 17's training
Riddell Adds Head-Injury Analytics to Smart Helmet
NFL at 100: Helmets go high tech in quest for player safety
New helmet design can deal with sports' twists and turns
3 Ingenious innovations from the NFL's Helmet Challenge
SportTechie Pro Day: Exploring Helmet Technology and Innovation
Do equestrian helmets prevent concussion? A retrospective analysis of head injuries and helmet damage from real-world equestrian accidents, Sports Medicine - Open
NFL at 100: Helmets go high tech in quest for player safety
Football helmets have improved but are far from 'concussion proof' – San Bernardino Sun
Football Concussions: Prevention, Diagnosis & Recovery
Technology's Role In Combating CTE In Hockey – Seltytending
This Helmet Will Save Football. Actually, Probably Not. - The New York Times