The result of changes in the blood's nitrogen-containing substances, or porphyrins.
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Acute Intermittent Porphyria Forum
Information and links about Porph. Includes registration form for an email list.
British Porphyria Association
UK support organisation for people with any of the seven variants of porphyria.
Short for Erythropoetic ProtoPorhyria, which is a rare metabolic disease. A personal site about this disorder, one of the family of porphyrias.
European Porphyria Network
The mission is to present an up to date approach to the understanding of porphyria.
An e-mail group at Yahoo dealing with the metabolic disease porphyria.
A look at the different types of these disease and some of their characteristics.
From Yahoo Groups. E-mail list for people with Porphyria. Friends, families and care givers are welcome.
Porphyria: The Unknown Disease
Genetic metabolic disorder. Overview of types, testing and diagnosis, and links.
King George III: Mad or misunderstood?
The BBC reports on whether King George III had porphyria. (July 13, 2004)
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