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Liquid chromatography-mass spectrometry with on-line solid-phase extraction by a restricted-access C18 precolumn for direct plasma and urine injection,
Pages 193-200
R. A. M. van der Hoeven, A. J. P. Hofte, M. Frenay, H. Irth, U. R. Tjaden, J. van der Greef, A. Rudolphi, K. -S. Boos, G. Marko Varga and L. E. Edholm Abstract | Journal Format-PDF (561 K)
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