Head to Head: The National Football League & Brain Injury
Concussion in the NFL: Study Shows Significant Detrimental Effects in the Short Term – Consult QD
Ninety-nine percent of ailing NFL player brains show hallmarks of neurodegenerative disease, autopsy study finds, Science
Setting the record straight on CTE
How Different Are Dogfighting and Football?
Brain trauma severely impacting NFL players' futures – The Patriot
The link between head injuries and CTE in football, explained - Vox
5 NFL Athletes Who Had CTE
NFL finally admits link between football, brain diseases
NFL faces intense scrutiny over concussion protocols