Haemophilia Centre Directors Hepatitis Working Party Report For Years 1980-81 was published Linked evidence HCDO0000135_017 - Haemophilia Centre Directors Hepatitis Working Party Report For Year 198081 - 24 Sep 1981 Chronology Information Date: 1 January 1980 1 January 1981 Chapter/issue Haemophilia Centres: Policies and Practice