1. 1. Heamelrijck J V, Kissin I. History of Intravenous Anaesthesia. In: Paul F. White, Editor. Textbook of Intravenous Anesthesia.Baltimore: William and Wilkins: 1997; 1-9.
2. 2. Lason M D. History of anaethetic practice. In: Miller RD, Editor. Miller's Anaesthesia. New York: Elsevier Churchill Livingstone 2005; 28-29.
3. 3. Carl W, Walter. Explosion of an ether vaporizer. Anaesthesiology 1966; 27 (5): 324.
4. 4. Reves JG, Glass PSA, Lubarsky DA et al. Intravenous nonopioid anaesthetics. In: Miller RD, Editor. Miller's Anaesthesia. New York: Elsevier Churchill Livingstone 2005; 326-34.
5. Editorial - Fifty years of thiopentone;Dundee;Br J Anaesth,1984