1. 1. Food and Drug Administration. Available at: http://www.fda.gov/orphan/oda.htm
2. 2. European Committee for Orphan Medicinal Products. Available at: http://eur-lex.europa.eu/smartapi/cgi/sga_doc?smartapi!celexplus!prod!DocNumber&lg=en&type_doc=Regulation&an_doc=2000&nu_doc=141
3. Adopting an orphan;Rinaldi;EMBO Rep,2005
4. 5. Faurisson F . EurordisCare 2: survey of the delay in diagnosis for 8 rare diseases in Europe, 2004. Available at: http://www.eurordis.org/imprimer.php3?id_article=454