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Journal of Chromatography|March 31, 1989
Analysis of heparins by size-exclusion and reversed-phase high-performance liquid chromatography with photodiode-array detectionJ X de VriesJournal of Chromatography|August 25, 1989
Separation of the enantiomers of phenprocoumon and warfarin by high-performance liquid chromatography using a chiral stationary phase. Determination of the enantiomeric ratio of phenprocoumon in human plasma and urineJ X de Vries, U VölkerBiomedical Chromatography : BMC|January 1, 1993
Simple determination of hydrochlorothiazide in human plasma and urine by high performance liquid chromatographyJ X de Vries, A VossJournal of Chromatography. B, Biomedical Applications|April 22, 1994
Determination of the coumarin anticoagulant phenprocoumon and metabolites in human plasma, urine and breast milk by high-performance liquid chromatography after solid-phase extractionJ X de Vries, E Schmitz-KummerJournal of Chromatography|January 2, 1991
Thermospray and particle beam liquid chromatographic-mass spectrometric analysis of coumarin anticoagulantsJ X de Vries, K A KymberBiomedical & Environmental Mass Spectrometry|April 15, 1988
Constituents of Justicia pectoralis Jacq. 2. Gas chromatography/mass spectrometry of simple coumarins, 3-phenylpropionic acids and their hydroxy and methoxy derivativesJ X de Vries, B Tauscher, G WurzelEuropean Journal of Clinical Pharmacology|January 1, 1986
Phenprocoumon metabolites in human plasma; characterization by HPLC and GC-MSJ X de Vries, R Zimmermann, J HarenbergFaraday Discussions|October 11, 2014
The formation of ice mantles on interstellar grains revisited--the effect of exothermicityT Lamberts, X de Vries, H M CuppenEuropean Journal of Medical Research|March 26, 1998
Disease-specific noncompliance with drug treatment as a cause of persistent hyperuricemia and gout in anorexia nervosaW Gröbner, I Walter-Sack, J X de VriesDeutsche Medizinische Wochenschrift (1946)|June 15, 1984
[Effect of low-molecular heparin on blood coagulation]J Harenberg, J X de Vries, E Weber, et al.Pageof 5