Ex-NFL star working on 'intercellular' helmet to curb concussions, CTE
Duerson's family files wrongful death suit against NFL
NFL Players Describe Fear, Suicidal Thoughts As Former Teammates Die - Sports Illustrated
Was Junior Seau's apparent suicide brain-injury related?
Column: NFL's modern-day gladiators pay the price as the crowd roars - Los Angeles Times
CTE in the NFL: The tragedy of Fred McNeill
David R. Duerson's Biography
Why Fewer Kids Are Playing High School Football in Illinois, Chicago News
WCG Top 100 Chicago Bears players of all-time: 100-1 - Windy City Gridiron
Dave Duerson's Suicide Raises Awareness of Brain Injuries