Damar Hamlin timeline from injury to return to Bills - The San Diego Union-Tribune
Damar Hamlin 'suffered a cardiac arrest', remains in critical condition after collapse on field
Covering the possible causes and diagnoses of Damar Hamlin's injury - Poynter
Damar Hamlin Remains in Critical Condition as NFL Says Game Will Not Resume This Week - WSJ
Explainer: What Happened to Buffalo Bills Player Damar Hamlin?, Chicago News
Bills safety Damar Hamlin expresses gratitude in first public comments since cardiac arrest
Damar Hamlin injury: Teamwork between Bills, Bengals medical staff may have saved his life, experts say
Bills Game Against Bengals Will Not Be Resumed After Damar Hamlin Collapse
Bills' Damar Hamlin given CPR, leaves Monday night game by ambulance
Doctors weigh in on Bills' Damar Hamlin's injury
Who is Damar Hamlin? The Buffalo Bills safety keeps Pittsburgh and his family close