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- 3 Orphan drug act. www.fda.gov/orphan/oda.htm. Accessed: 2 January 2009.
A. Fritscher-Ravens, MD
Endoscopy Unit
Department of Gastroenterology
Homerton Hospital
London E9 6SR
United Kingdom
Fax: +44-20-88510849
Email: fri.rav@btopenworld.com