Depression of C fibre-evoked spinal field potentials by the spinal δ opioid receptor is enhanced in the spinal nerve ligation model of neuropathic pain: Involvement of the μ-subtype

1. Buesa, I.
2. Urrutia, A.
3. Aira, Z.
4. Salgueiro, M.
5. Bilbao, J.
6. Mozas, M.
7. Aguilera, L.
8. Zimmermann, M.
9. Azkue, J.J.