Liquid chromatography—mass spectrometry with on-line solid-phase extraction by a restricted-access C18 precolumn for direct plasma and urine injection
Titel:
Liquid chromatography—mass spectrometry with on-line solid-phase extraction by a restricted-access C18 precolumn for direct plasma and urine injection
Auteur:
van der Hoeven, R.A.M. Hofte, A.J.P. Frenay, M. Irth, H. Tjaden, U.R. van der Greef, J. Rudolphi, A. Boos, K.-S. Varga, G.Marko Edholm, L.E.