Thiopurine methyltransferase activity in a Spanish population sample: Decrease of enzymatic activity in multiple sclerosis patients

1. Menor, C.
2. Fueyo, J.
3. Escribano, O.
4. Piña, M.J.
5. Redondo, P.
6. Cara, C.
7. Román, I.D.
8. Fernández-Moreno, M.D.
9. Guijarro, L.G.