1. R. Cruickshank "Medical Biology", E & S Livingstong Ltd, Great Britain.

2. G.A. Polis "The Biology of Scorpions", Stanford University Press, Stanford, CA

3. Karlsson, E. 1973. Chemistry of some potent animal toxins. Experimentia 29:1319-27.

4. Cahalan, M.D.1975. Modification of sodium channel gating in frog myelinated nerve fibres by Centruroides sculpturatus scorpion venom. Journal of Physiology 244:511-34.

5. Meves, H., et al. 1982. Effect of toxins isolated from the venom of the scorpion Centruriudes sculpturatus on the NA+ currents of the node of Ranvier.Pflugers Archiv 393:56-62

6. Wang, G.K. and G.Strichartz. 1982. Simultaneous midofications of sodium channel gating by two scorpion toxins. Biophysical Journal 40:175-79.

7. Hu, et al. 1983. A quantitative study of the action of Centruroides sculpturatus Toxins III and IV on the Na+ currents of the node of Ranvier. Pflugers Archiv 397:90-99

8. Simard, et al. 1986. The effects of Toxins VI nd VII from the scorpion Centruroides sculpturatus on the soidium currents of the frog node of Ranvier. Pflugers Archiv 406:620-28.

9. http://wrbu.si.edu/www/stockwell/morphology/morphology.html The Scorpion Emporium

10. http://melkor.unibe.ch:8080/philnat/benjamin.gantenbein.1/personel.html

11. Bravenet, for providing us the forum. www.bravenet.com

12. "The scorpion forum"

13. Britanica CD: Arachnids: Major arachnids orders: Scorpions.