The Harvard football teammates whose lives were upended by CTE - Washington Post
Gallery: NFL players with confirmed brain injury
Seau brain disease sends alarms among players, critics
Ex-wife of late Steeler Justin Strzelczyk irked by player's comments
Morey: NFL needs to aid brain, concussion research - The San Diego Union-Tribune
Justin Strzelczyk Suffered From CTE - The Sports Column
Dead athletes' brains show damage from concussions
Our Team Brain Injury Research Institute
Athletes donating their brains to science
Film details the short life and tragic death off West Seneca native and NFL player
NFL Concussions Fast Facts
Are you a fan of the NFL? - An NFL Fan's Guide to the Concussion Conspiracy