Sources

http://news.sciencemag.org/sciencenow/2009/10/08-02.html

http://www.hemophilia.org/NHFWeb/MainPgs/MainNHF.aspx?menuid=178&contentid=6

http://www.hemophilia-information.com/history-of-hemophilia.html

http://www.nhlbi.nih.gov/health/health-topics/topics/hemophilia/

http://www.merriam-webster.com/dictionary/hemophilia

http://www.nhlbi.nih.gov/health/health-topics/topics/hemophilia/

http://health.nih.gov/topic/Hemophilia

http://www.hemophilia.org/NHFWeb/MainPgs/MainNHF.aspx?menuid=0&contentid=1

http://www.mayoclinic.com/health/hemophilia/DS00218