Magnetic molecularly imprinted polymer based - micro-solid phase extraction of cocaine and metabolites in plasma followed by high performance liquid chromatography - tandem mass spectrometry

1. Sánchez-González, J.
2. Barreiro-Grille, T.
3. Cabarcos, P.
4. Tabernero, M.J.
5. Bermejo-Barrera, P.
6. Moreda-Piñeiro, A.