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Various commonly administered opioids: (1) morphine, (2) Tramadol, (3) Demerol, and (4) fentanyl.

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posted on 2014-09-18, 02:53 authored by Carlos A. Valdez, Roald N. Leif, Brian P. Mayer

Various commonly administered opioids: (1) morphine, (2) Tramadol, (3) Demerol, and (4) fentanyl.

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