Structure-activity studies of the Phe4 residue of nociceptin(1-13)-NH2: Identification of highly potent agonists of the nociceptin/orphanin FQ receptor

1. Guerrini, R.
2. Caló, G.
3. Bigoni, R.
4. Rizzi, D.
5. Rizzi, A.
6. Zucchini, M.
7. Varani, K.
8. Hashiba, E.
9. Lambert, D.G.
10. Toth, G.
11. Borea, P.A.
12. Salvadori, S.
13. Regoli, D.