Abstract submission for Standardised Double Dose Apheresis Red Cells Reduce Blood Consumption and Donor Exposure in _-Thalassaemia, by E. E. Prescott, A. J. C. Bloor, B. Wonke, J. Dalton, and J. Harrison, re 9th International conference on Thalassaemia and the Haemoglobinopathies & 11th International TIF conference for Parents and Thalassaemics, 15/10/2003 / 19/10/2003