An Unbiased View of fentanyl patch equivalent dose to morphine
three. Maintain the blue stop from the test and submerge the wavy end of the strip in the h2o for fifteen seconds, trying to keep the liquid degree below the blue line  Fentanyl and norfentanyl were quantified in femoral and cardiac blood by higher-overall performance liquid chromatography-tandem mass spectrometry (LC–MS/MS) right after liquidâ