1. United States Food and Drug Administration. Warning letter to 23andMe, Inc. 22 November 2013. http://www.fda.gov/iceci/enforcementactions/warningletters/2013/ucm376296.htm (accessed 30 Dec 2013)
2. Direct to consumer genetic testing: a systematic review of position statements, policies and recommendations;Skirton;Clin Genet,2012
3. Federation of European Academies of Medicine and European Academies Science Advisory Council. Direct-to-Consumer Genetic Testing for Health-Related Purposes in the European Union. EASAC policy report 18. July 2012.
4. US Food and Drug Administration. In vitro Diagnostics. Letters to 23andMe and other companies. http://www.fda.gov/MedicalDevices/ProductsandMedicalProcedures/InVitroDiagnostics/default.htm (accessed 30 Dec 2013).
5. Direct-to-consumer genetic testing: perceptions, problems, and policy responses;Caulfield;Annu Rev Med,2012