1. Dermenkephalin (Tyr-D-Met-Phe-His-Leu-Met-Asp-NH2): A potent and fully specific agonist for the δ-opioid receptor;Amiche;Mol. Pharmacol.,1989
2. Photoaffinity labeling of opioid δ receptors with an iodinated azido-ligand: [125I][D-Thr2, pN3Phe4, Leu5]enkephalyl-Thr6;Bochet;Mol. Pharmacol.,1988
3. Multiple opiate receptors: Different regional distribution in the brain and differential binding of opiates and opioid peptides;Chang;Mol. Pharmacol.,1979
4. Relationship between the inhibition constant (Ki) and the concentration of inhibitor which causes 50 percent inhibition (IC50) of an enzymatic reaction;Cheng;Biochem. Pharmacol.,1973
5. Selectivities of opioid peptide analogues as agonists and antagonists at the delta receptor;Corbett;Br. J. Pharmacol.,1984