Abstract
A quantitative study of [3H]D-Ala2-D-Leu5-enkephalin binding to rat brain membranes. Evidence that oxymorphone is a noncompetitive inhibitor of the lower affinity delta-binding site.
R B Rothman, W D Bowen, M Herkenham, A E Jacobson, K C Rice and C B Pert
Molecular Pharmacology March 1985, 27 (3) 399-409;