In A First, NFL Executive Admits Football Is Linked To Brain Damage : The Two-Way : NPR
Football And CTE: In New Study, Nearly All Donated NFL Player Brains Found To Have CTE : NPR
NFL vice-president Jeff Miller acknowledges link between concussions and CTE brain condition - ABC News
N.F.L. Official Affirms Link Between Playing Football and C.T.E. - The New York Times
After the NFL: Long-Term Damage of Concussions and Head Trauma - TheraSpecs
NFL simply refuses to acknowledge concussion reality: Arthur
Top NFL official acknowledges link between American football and brain disease
Why We Still Don't Know How Many NFL Players Have CTE
NFL acknowledges link between football, CTE