NFL Acknowledges a Link Between Football, CTE
Study: CTE very widespread
Autopsy Reveals Severe Brain Trauma In Former New York Jet Phillip Adams - CBS New York
Researchers Discover 28 New Cases of Brain Damage in Deceased Football Players
BU Researchers: Hernandez's Brain Reveals Most Extensive Evidence Of CTE They've Seen In A Person So Young
The link between head injuries and CTE in football, explained - Vox
Can brain damage be found in retired football players? - The Boston Globe
NFL pulls out of funding Boston University head trauma study over concerns about researcher - ESPN
Contra Costa Times editorial: Ken Stabler's brain diagnosis adds to NFL concussion worries – East Bay Times
New research from Boston University shows widespread brain damage in former NFL players
What You Need To Know About CTE This NFL Season
Brains of former football players showed how common traumatic brain injuries might be
Boston University CTE Center and Brain Bank - Wikipedia
First soccer, rugby players diagnosed with CTE