ABOUT FENTANYL PATCH TO MORPHINE EQUIVALENTS

three. Maintain the blue stop in the test and submerge the wavy stop of the strip during the h2o for 15 seconds, retaining the liquid level below the blue line  Fentanyl and norfentanyl ended up quantified in femoral and cardiac blood by superior-performance liquid chromatography-tandem mass spectrometry (LC–MS/MS) after liquid–liquid extract