Timeline: The NFL's Concussion Crisis, League of Denial: The NFL's Concussion Crisis, FRONTLINE
CQ Researcher - CTE and Athletes
Football Season Is Upon Us: The Concussion Discussion Continues - West Coast Orthopedics
CQ Researcher - Sports Safety
Doctors: Junior Seau's brain had CTE : r/nfl
The NCAA may be Liable for the Mishandling of Concussions Thirty Years Ago, but are Players Sufficiently Protected Today?
Athletes donating their brains to science
Athletes donating their brains to science
NFLPA responds to Junior Seau CTE finding with call for player safety measures
Seau had brain disease that comes from hits to head, NIH finds