Simultaneous quantification of major cannabinoids and metabolites in human urine and plasma by HPLC-MS/MS and enzyme-alkaline hydrolysis

1. Aizpurua-Olaizola, O.
2. Zarandona, I.
3. Ortiz, L.
4. Navarro, P.
5. Etxebarria, N.
6. Usobiaga, A.