Design, synthesis and pharmacological characterization of endomorphin analogues with non-cyclic amino acid residues in position 2

1. Perlikowska, R.
2. Fichna, J.
3. Wyrȩbska, A.
4. Poels, J.
5. Vanden Broeck, J.
6. Toth, G.
7. Storr, M.
8. Do Rego, J.-C.
9. Janecka, A.