Bills safety Damar Hamlin returns to action in first regular-season game since cardiac arrest - The San Diego Union-Tribune
Covering the possible causes and diagnoses of Damar Hamlin's injury - Poynter
Medical personnel discuss approach to Hamlin incident
Damar Hamlin Football Incident Explained: Love for Number Three – The Cat's Eye View
A timeline of the NFL's response after Damar Hamlin collapsed
What Happened to Damar Hamlin? What We Know After Bills Player Collapses, Suffers Cardiac Arrest On Field – NBC Chicago
Bills safety Damar Hamlin released from Cincinnati hospital, returns to Buffalo
EXPLAINER: What happened to Damar Hamlin?
What we learned about the NFL in the aftermath of Damar Hamlin's cardiac arrest