1. 1) Jacoby GW. Lumber puncture of the subarachnoid space. NY med J Dec 1895; 28:813-818.
2. 2) Jacoby GW. Lumber puncture of the subarachnoid space. NY med J Jan 1896; 4:6-12.
3. 3) Aono K. Spinal anaesthesia. Encyclopedia of Anaesthesiology (II). Tokyo, Kokuseidou, 1985; 825-841. (in Japanese)
4. 4) Yokoyama K. Spinal Anesthesia. Tokyo, Shindan to Chiryosha 2000; 17-49. (in Japanese)
5. 5) Moriyasu N. Modern Neurosurgery. Tokyo, Kanehara Shuppan, 1978: 134-135. (in Japanese)