Bills' Damar Hamlin may have suffered heart arrhythmia, experts say - The Washington Post
Damar Hamlin may have suffered rare one-in-264 million injury, doctors say
What happened to Damar Hamlin? Explaining cardiac arrest causes
Who is Damar Hamlin, the Buffalo Bills player who collapsed at Monday's game? : NPR
Explainer: What Happened to Buffalo Bills Player Damar Hamlin?, Chicago News
Damar Hamlin is in 'good spirits' and recovering at a Buffalo hospital, team says
Physicians explain incredibly rare event that 'likely caused' Damar Hamlin's cardiac arrest
Damar Hamlin showing 'remarkable improvement over past 24 hours'
Misinformation is swirling online about COVID-19 vaccines and Damar Hamlin's collapse - Poynter
Damar Hamlin: Buffalo Bills safety showing 'remarkable improvement,' doctors say