Development and validation of a bioanalytical method for the simultaneous determination of heroin, its main metabolites, naloxone and naltrexone by LC-MS/MS in human plasma samples: Application to a clinical trial of oral administration of a heroin/naloxone formulation

1. Moreno-Vicente, R.
2. Fernández-Nieva, Z.
3. Navarro, A.
4. Gascón-Crespí, I.
5. Farré-Albaladejo, M.
6. Igartua, M.
7. Hernández, R.M.
8. Pedraz, J.L.