Bills' Hamlin in critical condition after collapse on field - The San Diego Union-Tribune
Buffalo Bills safety Damar Hamlin collapses on field, gets CPR
Buffalo Bills player is in critical condition after collapsing in game : NPR
Damar Hamlin update: Bills player in ICU with 'signs of improvement'
Bills-Bengals won't resume this week; Hamlin had cardiac arrest - Los Angeles Times
Cardiac arrest causes: What led to Buffalo Bills' Damar Hamlin's collapse?
Damar Hamlin, Buffalo Bills safety, collapses after suffering cardiac arrest - WINK News
Buffalo Bills safety Damar Hamlin collapses on field, gets CPR
Buffalo-Cincinnati game suspended; Damar Hamlin in critical condition
Bills' Damar Hamlin in critical condition after heart stopped