Explainer: What happened to Buffalo Bills safety Damar Hamlin?
Bills-Bengals will not be played following Damar Hamlin injury
Bills' Hamlin collapses; medical events that stopped play - The San Diego Union-Tribune
Damar Hamlin showing 'remarkable improvement,' doctors say – Orange County Register
Damar Hamlin updates: Bills safety speaks to teammates, family after breathing tube removed as recovery continues
Bills' Damar Hamlin's cardiac arrest adds to NFL injury reality
Buffalo Bills safety Damar Hamlin released from hospital 7 days after collapse, News
Bills' Damar Hamlin in critical condition after collapse on field
Latest details on Damar Hamlin: Family of Bills player releases statement, team offers update on his health
Damar Hamlin, Bills player, still sedated a day after collapsing from a cardiac arrest on the field, uncle tells CNN
Covering the possible causes and diagnoses of Damar Hamlin's injury - Poynter