1. Klaassen CD, editor. Casarett & Doull’s Toxicology – The Basic Science of Poisons. 7th ed. New York: McGraw-Hill Medical Publishing Division; 2008
2. Schrager TF. Toxicology Source. What is Toxicology? Ph.D. Available from: https://web.archive.org/web/20070310233247/; http://www.toxicologysource.com/whatistoxicology.html [Accessed: 20 July 2020]
3. National Institute of Environmental Health Sciences (NIEHS). Toxicology. Available from: https://www.niehs.nih.gov/health/topics/science/toxicology/index.cfm [Accessed: 20 July 2020]
4. Hodgson E, editor. A Textbook of Modern Toxicology. New York: John Wiley and Sons
5. Anderson AH. Adsorption from gastro-intestinal contents. Experimental studies on the pharmacology of activated charcoal. Acta Pharmaceutica. 1948;4:275-284