Information relating to Northern Ireland Haemophilia Reference Centre factor VIII Usage. All blood products necessary for treatment of people suffering from inherited bleeding disorders are held at the Reference Centre and issued to other hospitals specifically designated fro individual patients. The information outlines the supplies for Immuno Factor VIII, Armour Factor VIII and NHS Factor VIII in 1982, 1983 and 1984 along with the associated costs incurred in 1975, 1981, 1982, 1983 and 1984.