Damar Hamlin's Collapse and the Mental-Health Concerns Facing the NFL - WSJ
After Damar Hamlin cardiac arrest, NJ has plan for athletes
Experts on sudden cardiac arrest in athletes: causes, responses and concerns, News
Covering the possible causes and diagnoses of Damar Hamlin's injury - Poynter
Heart screening may not have prevented Hamlin's collapse
COVID-19 vaccines didn't cause Damar Hamlin's cardiac arrest - Los Angeles Times
Bills Players Visit Damar Hamlin in Hospital After His Cardiac Arrest
What is commotio cordis, which NFL player Damar Hamlin says stopped his heart?
Damar Hamlin and Other Athletes With Heart Problems
Athlete's cardiac arrest not uncommon in collision sports - The Charlotte Post
Bills player Damar Hamlin in critical condition after cardiac arrest on the field, Sports
The blow Damar Hamlin suffered: These strong impacts cause arrhythmias that can be lethal
Damar Hamlin: What happened to NFL player? A cardiologist explains.