DiGeorge Syndrome
Article describes DiGeorge syndrome, its symptoms, and treatment. From the About.com Guide to Rare/Orphan Diseases.

Immune Deficiency Foundation: DiGeorge Syndrome
Site also offers support, research news, newsletter, and resources.

Health AtoZ: DiGeorge Syndrome
Information about the syndrome.

NCBI: DiGeorge Syndrome
National Center for Biotechnology Information site describes the genetic basis of DiGeorge syndrome.