Gas chromatographic-mass spectrometric determination of urinary oxoacids using O-(2,3,4,5,6-pentafluorobenzyl)oxime-trimethylsilyl ester derivatization and cation-exchange chromatography.
J Chromatogr B Biomed Sci Appl. 1998 Nov 20;719(1-2):1-7. doi: 10.1016/s0378-4347(98)00388-0.
J Chromatogr B Biomed Sci Appl. 1998.
PMID: 9869358