NFL hopes to reduce head injuries with helmet experiment
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Football's Concussion Crisis Is Awash With Pseudoscience
Study Shows Concussion Risk 'Dependent on Helmet'
The Ability of Men's Lacrosse Helmets to Reduce the Dynamic Impact Response for Different Striking Techniques in Women's Field Lacrosse - J. Michio Clark, T. Blaine Hoshizaki, 2016
Touchdown! Breakthrough as new football helmet may slash risk of severe brain injury - Football - Sports - Daily Express US
Rochester Review :: University of Rochester
Football safety concerns come to a head – Orange County Register
STUDY: Football Practice Without Helmets Reduces Concussion Risk, Improves Tackling Ability - stack