Porous membrane-protected molecularly imprinted polymer micro-solid-phase extraction for analysis of urinary cocaine and its metabolites using liquid chromatography - Tandem mass spectrometry

1. Sánchez-González, J.
2. Tabernero, M.J.
3. Bermejo, A.M.
4. Bermejo-Barrera, P.
5. Moreda-Piñeiro, A.