↑ Borzelleca, Joseph F.; Lane, Richard W. (2008). "The Art, the Science, and the Seduction of Toxicology: an Evolutionary Development". ใน Hayes, Andrew Wallace (บ.ก.). Principles and methods of toxicology (5th ed.). Taylor & Francis. p. 13.CS1 maint: multiple names: authors list (link)
↑ "Greek Medicine". National Institutes of Health, USA. 16 September 2002. สืบค้นเมื่อ 1 July 2013.
↑ Krebs, Robert E.; Krebs, Carolyn A. (2003). Groundbreaking Scientific Experiments, Inventions, and Discoveries of the Ancient World. Greenwood Publishing Group.. Pages 75–76.
