Can helmet design reduce the risk of concussion in football? in: Journal of Neurosurgery Volume 120 Issue 4 (2014) Journals
Exclusive Look at Football Helmet Safety Testing - ABC News
New high-tech helmets may protect American football players from debilitating concussions
Guardian Caps - Are the soft-shelled football helmet covers effective at limiting head injuries? - ESPN
Jeremy Repanich: Helmets alone won't save football from concussions - Sports Illustrated
Revolutionary new football helmet will lower concussion risk--Aleteia
Are Modern Football Helmets Any Safer than Old-School Leather Ones?, Science
Riddell launches Axiom, latest helmet to combat concussions
Reducing Concussion Risk - Childress Institute for Pediatric Trauma
Future of football safety could come down to research at Riddell
Helmet Innovation: More and Better Choices, Fewer Concussions