TY - STAND TI - data PordB. Orphanet Report Series, Rare Diseases collection, No. 1: Listed in alphabetical order of disease or group of diseases N1 - . Accessed May 2014 UR - http://www.orpha.net/orphacom/cahiers/docs/GB/Prevalence_of_rare_diseases_by_alphabetical_list.pdf. ER -