Research ArticleABSORPTION, DISTRIBUTION, METABOLISM, AND EXCRETION
Organic Anion-Transporting Polypeptides Mediate Transport of Opioid Peptides across Blood-Brain Barrier
Bo Gao, Bruno Hagenbuch, Gerd A. Kullak-Ublick, Dietmar Benke, Adriano Aguzzi and Peter J. Meier
Journal of Pharmacology and Experimental Therapeutics July 2000, 294 (1) 73-79;