Subsys, an under-the-tongue spray that manages pain in cancer patients, contains fentanyl, an Opioid that the D.E.A. says is 25 to 50 times more powerful than heroin.
Subsys, an under-the-tongue spray that manages pain in cancer patients, contains fentanyl, an Opioid that the D.E.A. says is 25 to 50 times more powerful than heroin.
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