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Helmet heads: Soccer headgear has skeptics, believers
Soccer Concussion Helmets: Beneficial or Bogus? | SiOWfa15: Science in Our World: Certainty and Controversy
Gearing up with Headgear: In Soccer, headgear may not be as useful as expected in protecting against concussions – Berkeley Scientific Journal
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Do you really need a helmet to play soccer? School district says all students must wear headgear | Daily Mail Online
The History of Soccer Headgear & the Players Who Wore Them
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Advances in equipment may avert some head injuries - The Boston Globe
Effectiveness of headgear in football | British Journal of Sports Medicine
Can Soccer Headgear Reduce Brain Injuries? - Sports Without Injury
Could soccer headgear reduce concussion risk? First-ever ratings say yes. | Virginia Tech News | Virginia Tech
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