OPRM1 gene interaction with sleep in chronic pain patients treated with opioids

1. Margarit, C.
2. Ballester, P.
3. Inda, M.-M.
4. Roca, R.
5. Gomez, L.
6. Planelles, B.
7. Ajo, R.
8. Morales, D.
9. Peiró, A.M.