Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleEvaluation of fritless solid-phase extraction coupled on-line with capillary electrophoresis-mass spectrometry for the analysis of opioid peptides in cerebrospinal fluid.AuthorsMedina‐Casanellas, Silvia; Tak, Yvonne H.; Benavente, Fernando; Sanz‐Nebot, Victoria; Toraño, Javier Sastre; Somsen, Govert W.; de Jong, Gerhardus J.PublicationElectrophoresis, 2014, Vol 35, Issue 20, p2996ISSN0173-0835Publication typeArticleDOI10.1002/elps.201400293