Correlation of methadone concentrations in plasma and saliva collected with and without stimulation in pain management patients

1. Miguez-Díez, E.
2. Modamio, P.
3. Vázquez, M.
4. Lastra, C.F.
5. Montes, M.J.
6. Retamoso, I.
7. Papa, P.
8. Fagiolino, P.
9. Mariño, E.L.