Schools and hard knocks | The Economist
Is Rugby More Dangerous Than Football? - Metro League
NFL Concussions Fast Facts | CNN
Rugby-Number of concussions in England unacceptable: head injury specialist | Reuters
Rugby concussion study assesses cognitive impact of contact sport in players' older age | The Scotsman
Rugby Player Welfare, Part 2: 'Rugby Is Not the NFL'...Not Yet, Anyway | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Imminente vuoto Londra is rugby dangerous impreciso Stazione Permanente
Football and rugby facing flood of claims over head injuries warning | Concussion in sport | The Guardian
Comparing Head Impacts in Youth Tackle and Flag Football | Concussion | Traumatic Brain Injury | CDC Injury Center
How rugby and the NFL found common ground on concussion | Concussion in sport | The Guardian
Why Sports Concussions Are Worse For Women - Scientific American
World Rugby urged to follow rugby league's lead in adopting enhanced concussion protocols | Rugby Union News | Sky Sports
Which athletes tend to receive the most concussions? (I bet you're thinking NFL players.) — Dr. Mark Heisig
Rugby vs. American Football: Which is “Tougher”? | SiOWfa16: Science in Our World: Certainty and Controversy
/cdn.vox-cdn.com/uploads/chorus_image/image/54302747/Conccussions_Lede.0.jpeg "The NFL concussion protocol cannot save football - SBNation.com")
The NFL concussion protocol cannot save football - SBNation.com
Is rugby safer than football? - The San Diego Union-Tribune
Football Concussions—The NFL's Worst Fear—May Be More Likely On Fake Grass Fields, Study Suggests
Underreporting concussions an issue in Aussie rules football
Concussions an issue for elite rugby, but don't let that put you off playing | DW Learn German
Is rugby safer than football? - The San Diego Union-Tribune
Rugby's Concussion Problem - YouTube
Football and rugby facing flood of claims over head injuries warning | Concussion in sport | The Guardian
Rugby vs. Football | SiOWfa15: Science in Our World: Certainty and Controversy
