Research ArticleNEUROPHARMACOLOGY
Comparison of Pharmacological Activities of Buprenorphine and Norbuprenorphine: Norbuprenorphine Is a Potent Opioid Agonist
Peng Huang, George B. Kehner, Alan Cowan and Lee-Yuan Liu-Chen
Journal of Pharmacology and Experimental Therapeutics May 2001, 297 (2) 688-695;