Research ArticleCELLULAR AND MOLECULAR
Chronic Agonist Treatment Converts Antagonists into Inverse Agonists at δ-Opioid Receptors
Jing-Gen Liu and Paul L. Prather
Journal of Pharmacology and Experimental Therapeutics September 2002, 302 (3) 1070-1079; DOI: https://doi.org/10.1124/jpet.102.035964