Sheen, J. F.J. F.SheenHer, G. R.G. R.Her2009-09-172018-07-102009-09-172018-07-102004http://ntur.lib.ntu.edu.tw//handle/246246/166283application/pdf269616 bytesapplication/pdfen-USAnalysis of neutral drugs in human plasma by fluoride attachment in liquid chromatography/negative ion electrospray tandem mass spectrometryjournal article