O.J. Murdock death: NFL player is the fifth football star to have committed suicide in the two years
Kansas City Chiefs player who committed 2012 murder-suicide had signs of brain disease
Haunted by husband's death, widow takes CTE fight to Super Bowl
Dave Duerson Found to Have the Brain Trauma He Suspected - The New York Times
NFL player Phillip Adams had same 'severe' CTE when he killed six people in April
The Tragic Death of Dave Duerson
Former football players' suicides tied to concussions
Paul Oliver's suicide is latest in a string among former NFL players
Duerson's family sues NFL over his suicide - Deseret News
Brain Damage Found in NFL Veteran Who Took Own Life, Science
Duerson's kin donating his brain for research - The San Diego Union-Tribune
Dave Duerson remembered by friends, family at memorial service in Chicago - ESPN
Dave Duerson's family sues NFL over his suicide - CBS News