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References:

1. Richard S Krause, MD. (2008). Anaphylaxis. Retrieved Febuary3, 2009 from http://emedicine.medscape.com/article/756150-overview
2. DEY. (n.d) About Anaphylaxis. Retreived Febuary3, 2009 from http://www.anaphylaxis.com/
3. MedicineNet.com. (2009). Anaphylaxis. Retreived Febuary5, 2009 from http://www.medicinenet.com/anaphylaxis/page2.htm