Bills say Damar Hamlin remains in critical condition - NBC Sports
50) Damar Hamlin's collapse highlights longstanding debate on player safety in football
Why did Damar Hamlin collapse?
Damar Hamlin injury: NFL says it did not direct Bills-Bengals to restart, but ESPN stands by reporting
Buffalo Bills' Damar Hamlin in critical condition after cardiac arrest on field, NFL
Update: Damar Hamlin can breathe on his own, spoke with teammates
Opinion Damar Hamlin and What CPR Is For - The New York Times
Damar Hamlin honored in NFL's first game since collapse as Chiefs beat Raiders - The Athletic
Damar Hamlin's collapse is the latest in history of medical emergencies in sports - ABC News
Damar Hamlin still critically ill, showing 'remarkable improvement'