EVERYTHING ABOUT FENTANYL PATCH 25

3. Maintain the blue stop with the test and submerge the wavy finish of your strip inside the water for 15 seconds, trying to keep the liquid amount below the blue line  Fentanyl and norfentanyl ended up quantified in femoral and cardiac blood by significant-overall performance liquid chromatography-tandem mass spectrometry (LC–MS/MS) soon afte