1. Spinal anaesthesia and local medication of the cord;Corning;NY Med. J.,1885
2. The history of spinal drug delivery: the evolution of lumbar puncture and spinal narcosis;Mackey,1999
3. Intrathecal morphine in mice: a new technique;Hylden;Eur. J. Pharmacol.,1980
4. A spinal site mediates opiate analgesia in frogs;Stevens;Life Sci.,1983
5. A method to perform direct transcutaneous intrathecal injection in rats;Mestre;J. Pharmacol. Toxicol. Methods,1994