A timeline of the NFL's response after Damar Hamlin collapsed
Bills players ask for prayers as Damar Hamlin is hospitalized in critical condition after collapsing on field
Buffalo Bills player is in critical condition after collapsing in game : NPR
The heartbeat of athletic safety: Lessons learned from Damar Hamlin's Monday Night Football collapse: Mike Weller
Bills' Damar Hamlin receives CPR after collapsing; game postponed
Former NFL trainer on Bills' on-field treatment of safety Damar Hamlin: 'Phenomenal'
damar hamlin: NFL player Damar Hamlin collapses on field after blow to chest, prayers pour in - The Economic Times
Buffalo Bills' Damar Hamlin in critical condition after collapse on field
NFL Player Damar Hamlin Goes Into Cardiac Arrest
EXPLAINER: What happened to Damar Hamlin?
Bills' Hamlin collapses on football field, gets CPR; game suspended
Bills' Hamlin collapses on field, gets CPR; game suspended