Abstract
Analgesic response and plasma and brain extracellular fluid pharmacokinetics of morphine and morphine-6-beta-D-glucuronide in the rat.
F Stain, M J Barjavel, P Sandouk, M Plotkine, J M Scherrmann and H N Bhargava
Journal of Pharmacology and Experimental Therapeutics August 1995, 274 (2) 852-857;