(CNN) — Fentanyl is powerful synthetic opioid that can be up to 100 times more potent than morphine. It can be prescribed in formal medical settings to relieve severe pain and treat breakthrough pain ...
Add Yahoo as a preferred source to see more of our stories on Google. Fentanyl is powerful synthetic opioid that can be up to 100 times more potent than morphine. It can be prescribed in formal ...
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