Influence of peptidase inhibitors on the apparent agonist potency of delta selective opioid peptides in vitro

1. Kramer, T.H.
2. Toth, G.
3. Haaseth, R.C.
4. Matsunaga, T.O.
5. Davis, P.
6. Hruby, V.J.
7. Burks, T.F.