Lu, Chuan Development of a liquid chromatography-isotope dilution mass spectrometry method for quantification of fentanyl in human plasma. [electronic resource] - Biomedical chromatography : BMC Jul 2010 - 711-6 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1099-0801 Standard No.: 10.1002/bmc.1351 doi Subjects--Topical Terms: Analgesics, Opioid--bloodChromatography, Liquid--methodsFentanyl--bloodHumansPain--bloodTandem Mass Spectrometry--methods