1. Shimkus J. H.R.4013–107th Congress (2001–2002): Rare Diseases Actof 2002. 6 November 2002. https://www.congress.gov/bill/107th-congress/house-bill/4013. Accessed 3 October 2017.
2. Wikipedia. National Organization for Rare Disorders. 2017. https://en.wikipedia.org/w/index.php?title=National_Organization_for_Rare_Disorders&oldid=797804566.
3. National Center for Advancing Translational Sciences–Genetic andRare Diseases Information Center. Diseases. https://rarediseases.info.nih.gov/diseases. Accessed 12 April 2019.