Plasma Free Metanephrine Measurement Using Automated Online Solid-Phase Extraction HPLC Tandem Mass Spectrometry von de Jong, Wilhelmina H.A, Graham, Kendon S, van der Molen, Jan C, Links, Thera P, Morris, Michael R, Ross, H. Alec, de Vries, Elisabeth G.E, Kema, Ido P

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Automated mass spectrometric analysis of urinary free catecholamines using on-line solid phase extraction von de Jong, Wilhelmina H.A., de Vries, Elisabeth G.E., Wolffenbuttel, Bruce H.R., Kema, I.P.

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Use of selective serotonin reuptake inhibitors is associated with very low plasma-free serotonin concentrations in humans von Peters, Marloes AM, van Faassen, Martijn, de Jong, Wilhelmina HA, Bouma, Grietje, Meijer, Coby, Walenkamp, Annemiek ME, de Vries, Elisabeth GE, Oosting, Sjoukje F, Ruhé, Henricus G, Kema, Ido P

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Determination of reference intervals for urinary steroid profiling using a newly validated GC-MS/MS method von de Jong, Wilhelmina H.A., Buitenwerf, Edward, Pranger, Alle T., Riphagen, Ineke J., Wolffenbuttel, Bruce H.R., Kerstens, Michiel N., Kema, Ido P.

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Should we depend on reference intervals from manufacturer package inserts? Comparing TSH and FT4 reference intervals from four manufacturers with results from modern indirect metho... von Dirks, Niek F., den Elzen, Wendy P.J., Hillebrand, Jacquelien J., Jansen, Heleen I., Boekel, Edwin ten, Brinkman, Jacoline, Buijs, Madelon M., Demir, Ayse Y., Dijkstra, Ineke M., Endenburg, Silvia C., Engbers, Paula, Gootjes, Jeannette, Janssen, Marcel J.W., Kniest-de Jong, Wilhelmina H.A., Kok, Maarten B., Kamphuis, Stephan, Kruit, Adrian, Michielsen, Etienne, Wolthuis, Albert, Boelen, Anita, Heijboer, Annemieke C.

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Vitamin C Depletion and All-Cause Mortality in Renal Transplant Recipients von Sotomayor, Camilo G, Eisenga, Michele F, Gomes Neto, Antonio W, Ozyilmaz, Akin, Gans, Rijk O B, Jong, Wilhelmina H A de, Zelle, Dorien M, Berger, Stefan P, Gaillard, Carlo A J M, Navis, Gerjan J, Bakker, Stephan J L

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Serotonin Rising von Anderson, George M, Cook, Jr, Edwin H, Blakely, Randy D

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Plasma tryptophan, kynurenine and 3-hydroxykynurenine measurement using automated on-line solid-phase extraction HPLC–tandem mass spectrometry von de Jong, Wilhelmina H.A., Smit, Reinier, Bakker, Stephan J.L., de Vries, Elisabeth G.E., Kema, Ido P.

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