Matrix solid-phase dispersion on column clean-up/pre-concentration as a novel approach for fast isolation of abuse drugs from human hair

1. Míguez-Framil, M.
2. Moreda-Piñeiro, A.
3. Bermejo-Barrera, P.
4. Álvarez-Freire, I.
5. Tabernero, M.J.
6. Bermejo, A.M.