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About Stephen Christmas
Haemophilia B, also spelled hemophilia B, is a blood clotting disorder causing easy bruising and bleeding due to an inherited mutation of the gene for factor IX, and resulting in a deficiency of factor IX. It is less common than factor VIII deficiency.
Everything about Stephen Christmas →- Citizenship
- United Kingdom
- Born
- February 12, 1947
- Died
- December 20, 1993