Comparison of molecularly imprinted, mixed-mode and hydrophilic balance sorbents performance in the solid-phase extraction of amphetamine drugs from wastewater samples for liquid chromatography-tandem mass spectrometry determination

1. González-Mariño, I.
2. Quintana, J.B.
3. Rodríguez, I.
4. Rodil, R.
5. González-Peñas, J.
6. Cela, R.