Covering the possible causes and diagnoses of Damar Hamlin's injury - Poynter
Damar Hamlin's life has been changed by football as much as he's changed the game - Buffalo Rumblings
Bills' Damar Hamlin in Critical Condition After Hit During Bengals Game - The New York Times
Football fans grapple with violent side of a beloved sport
What is commotio cordis? It could have caused Damar Hamlin to collapse : NPR
Editorial Damar Hamlin's injury shows importance of safety in football - The Pitt News
Damar Hamlin's Injury and Updates: What We Know - The New York Times
Expert: Damar Hamlin may have suffered a heart concussion
What Caused Buffalo Bills' Damar Hamlin's Cardiac Arrest? Doctors Say His Heart Likely Healthy Before Collapse - - Prova Education
What happened to Damar Hamlin? Explaining Commotio Cordis
Doctor: Bills' Damar Hamlin may have suffered 'rare' heart condition