References
- Wikipedia - http://en.wikipedia.org/wiki/Histamine
- http://myweb.polyu.edu.hk/~bcgmh/Antihistamines%20101%Munich%2006-05.ppt
- Histamine: Biological and Medical Aspects, Editor: A. Falus (Karger).
- Goodman and Gilman's 'The Pharmacological Basis of Therapeutics', 11th Ed., Chapter 24. Histamine, Bradykinin, and Their Antagonists
- http://www.allergytherapeutics.com
- http://nobelprize.org/medicine/laureates/1936/dale-bio.html