St Thomas' Hospital's annual return for 1976 showed that cryoprecipitate and NHS Factor 8 were the most used products. Linked evidence HCDO0001119 - Annual returns for 1976 - St Thomas Hospital Haemophilia Centre - 01 Jan 1976 Chronology Information Date: 1 January 1976 Chapter/issue Haemophilia Centres: Policies and Practice