What is fentanyl? The little-known but deadly drug that killed Prince, US news

One of the most dangerous drugs is a synthetic opioid ‘so potent and that even a microgram amount can kill’ – and it’s up to 50 times more powerful than heroin

Could hip surgery have saved Tom Petty and Prince? - The Boston Globe

Fentanyl: What do we know about deadly synthetic drug that killed Prince and has gripped the US?

Could drug checking have prevented Prince's overdose death?

Prince toxicology report shows 'exceedingly high' concentration of fentanyl

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What is fentanyl? The little-known but deadly drug that killed Prince, US news

What Is Fentanyl? The Drug That Killed Prince Has Killed Thousands of Others

Biden Administration Says Fentanyl-Xylazine Mix Is an 'Emerging Threat' – NBC4 Washington

What is fentanyl? The little-known but deadly drug that killed Prince, US news

Fentanyl overdose deaths spike across the country, a trend driven by secret labs and fake pharmacies - Voices For Awareness