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lbs21 t1_j3clqmk wrote

I thought this might be it, but it doesn't match the data - FDA says fentanyl is about 100x more potent than morphene. Assuming this matches the ED (a big assumption), the ED of fentanyl would be .0024 mg/kg (or 1/100th of morphene), and the TI to be 1.25. But such a low TI can't be right... can it?

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