Damar Hamlin shows 'signs of improvement' while still in ICU in critical condition, Bills say, after mid-game cardiac arrest, Sports
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Bills' Hamlin in critical condition after collapse on field
NFL: Damar Hamlin in critical condition after collapse on field, American Football News
Cardiologist on Damar Hamlin's collapse and risk of injuries for young athletes - CBS News
Damar Hamlin's injury on Monday Night Football laid bare the game's toll
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Bengals-Bills game suspended, Bills' Damar Hamlin in critical condition