Journal of Chromatography B · 2004 · 127 citations · 20 references
PharmacyPharmaceutical AnalysisPharmacologyAnalytical ChemistryChromatographic AnalysisMass Spectrometric AnalysisChromatographyImmunosuppressionImmunosuppressive AgentsLiquid ChromatographyMass SpectrometrySolid-phase ExtractionAutomated Solid-phase ExtractionHigh-performance Liquid ChromatographyHigh-performance Liquid Chromatography-mass SpectrometryLiquid Chromatography-mass SpectrometryOn-line Solid-phase Extraction
20
Frank Streit, Victor W. Armstrong, Michael Oellerich · Clinical Chemistry · 2002 · 192 citations · Full text
Pharmacy, Immunology, Pharmacology +17
Uwe Christians, Wolfgang Jacobsen, Natalie J. Serkova et al. · Journal of Chromatography B Biomedical Sciences and Applications · 2000 · 169 citations
Arndt Asperger, J. Efer, Therese Koal et al. · Journal of Chromatography A · 2002 · 132 citations
Dieter Zimmer, Volker Pickard, Waldemar Czembor et al. · Journal of Chromatography A · 1999 · 123 citations