In 1984 there were almost no cryoprecipitate; 1,919,162 units of NHS Factor 8; and 3,907,595 units of commercial concentrates. Linked evidence HCDO0001847 - Annual returns from Oxford Centre 1984 - 01 Jan 1984 Chronology Information Date: 1 January 1984 Chapter/issue Haemophilia Centres: Policies and Practice