Ten mystery diseases you've never heard of - CNN.com
Rare Disease Day: Top 20 Rare Diseases In The World - Boldsky.com
Top 10 Rare Diseases in the World You Never Heard About - Healthwire
Top 10 rare diseases – BioXcel Corporation
Five rare diseases you never knew existed
Top 10 Rare Diseases in the World You Never Heard - Regency Healthcare
Estimating cumulative point prevalence of rare diseases: analysis of the Orphanet database | European Journal of Human Genetics
What do you do when you have one of the rarest diseases around? - The Washington Post
Rare diseases in China: analysis of 2014–2015 hospitalization summary reports for 281 rare diseases from 96 tertiary hospitals | Orphanet Journal of Rare Diseases | Full Text