Hereditary Angioedema Support Group
A non profit Organization dedicated to those families that are touched by a rare blood disease known as Hereditary Angioedema

E-Medicine: HAE
An in dept look at hereditary angioedema beginning with an introduction, clinical features, differentials, work up, treatment, medication and follow up.

MedicineNet.com - Medical Dictionary
A brief article about hereditary angioedema.

Reader Digest Health
Hereditary Angioedema, a general discussion, alternate names and resources.

Adam.com: An Overview
A definition of hereditary angioedema along with a look at the causes, incidence and risk factors.