Orphanet – The Portal for Rare Diseases and Orphan Drugs
http://www.orpha.net/

Orphanet is a database of information on rare diseases and orphan drugs for the public. Its aim is to contribute to the improvement of the diagnosis, care and treatment of patients with rare diseases. Orphanet includes a Professional Encyclopedia, which is expert-authored and peer-reviewed; a Patient Encyclopedia and a Directory of Expert Services. This Directory includes information on relevant clinics, clinical laboratories, research activities and patient organisations. This has been added to Healthcare Resources Subject Tracer™ Information Blog.