Distribution of 3H-Morphine after Lumbar Epidural Administration in Unanesthetized Rabbits
B. C. Wang, D. E. Hillman, J. M. Hiller, C. Rosenberg, E. J. Simon, H. Turndorf
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Nov 1992, 17 (6) 334-339; DOI: 10.1136/rapm-00115550-199217060-00005