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Journal of Chromatography|April 27, 1984
Improved method for the determination of vitamin K1 epoxide in human plasma with electrofluorimetric reaction detectionJ P Langenberg, U R TjadenBritish Journal of Clinical Pharmacology|May 8, 1999
Pharmacokinetics and bioavailability of oral 5'-deoxy-5-fluorouridine in cancer patientsS A Van Der Heyden, M S Highley, E A De Bruijn, et al.Journal of Chromatography|September 29, 1976
Anodic coulometric detection with a glassy carbon electrode in combination with reversed-phase high-performance liquid chromatography. Determination of blood levels of perphenazine and fluphenazineU R Tjaden, J Lankelma, H PoppeJournal of Chromatography|October 12, 1990
Chromatographic analysis of anticancer drugsU R Tjaden, E A de BruijnJournal of Chromatography|March 1, 1977
Rapid trace analysis of barbiturates in blood and saliva by high-pressure liquid chromatographyU R Tjaden, J C Kraak, J F HuberRapid Communications in Mass Spectrometry : RCM|August 5, 2000
A free-flow electrophoresis chip device for interfacing capillary isoelectric focusing on-line with electrospray mass spectrometryA Chartogne, U R Tjaden, J Van der GreefJournal of Chromatography|July 6, 1990
Bioanalysis of the peptide des-enkephalin-gamma-endorphin. On-line sample pretreatment using membrane dialysis and solid-phase isolationD S Stegehuis, U R Tjaden, J van der GreefJournal of Chromatography|August 11, 1989
Bioanalytical applications of supercritical fluid chromatographyW M Niessen, U R Tjaden, J van der GreefJournal of Chromatography. A|September 29, 1995
On-line coupling of micellar electrokinetic chromatography to electrospray mass spectrometryM H Lamoree, U R Tjaden, J van der GreefJournal of Pharmaceutical and Biomedical Analysis|January 1, 1988
Liquid chromatography-mass spectrometry in bioanalysis: some applications and a new approach for non-volatile buffer systemsJ van der Greef, W M Niessen, U R TjadenPageof 11