Letter from Professor Ingram, St Thomas Hospital, to Dr Maycock regarding distribution of NHS Factor-VIII concentrate EHF from Elstree South-West and South-East Thames Haemophilia Region. The letter states that a suggestion was made to Dr Rogers to put aside one quarter of what he receives for emergencies and distribute the remaining three-quarters, as he receives it, to the Haemophilia Centres in the area to which he delivers blood.