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Journal of Chromatography|March 5, 1993
Determination of methyl 5-hydroxy-2-benzimidazole carbamate in urine by high-performance liquid chromatography with electrochemical detectionL H Leenheers, R Engel, W E Spruit, et al.Journal of Clinical Chemistry and Clinical Biochemistry. Zeitschrift Fur Klinische Chemie Und Klinische Biochemie|January 1, 1988
Improvements in the simultaneous determination of calcidiol and calcitriol in human serum or plasmaM J Jongen, S Kuiper, W J van der Vijgh, et al.The Journal of Clinical Endocrinology and Metabolism|July 1, 1983
Seasonal variation in serum concentrations of parathyroid hormone in elderly peopleP Lips, W H Hackeng, M J Jongen, et al.Clinical Chemistry|October 1, 1981
Simultaneous determination of 25-hydroxyvitamin D, 24,25-dihydroxyvitamin D, and 1,25-dihydroxyvitamin D in plasma or serumM J Jongen, W J van der Vijgh, H J Willems, et al.Journal of Chromatography|July 24, 1992
Determination of 2-isopropoxyphenol in urine by capillary gas chromatography and mass-selective detectionL H Leenheers, D C van Breugel, J C Ravensberg, et al.Archives of Internal Medicine|April 1, 1985
Vitamin D status in urinary calcium stone formationJ C Netelenbos, M J Jongen, W J van der Vijgh, et al.Bone|January 1, 1985
The effect of trauma on serum concentrations of vitamin D metabolites in patients with hip fractureP Lips, R Bouillon, M J Jongen, et al.Clinical Chemistry|March 1, 1984
An international comparison of vitamin D metabolite measurementsM J Jongen, F C Van Ginkel, W J van der Vijgh, et al.The American Journal of Clinical Nutrition|December 1, 1987
Determinants of vitamin D status in patients with hip fracture and in elderly control subjectsP Lips, F C van Ginkel, M J Jongen, et al.Pflugers Archiv : European Journal of Physiology|April 1, 1987
Increased plasma calcitonin levels in young spontaneously hypertensive rats: role in disturbed phosphate homeostasisR J Bindels, L A van den Broek, M J Jongen, et al.Pageof 4