Transfusion Complications, 'Further studies of blood infectivity in an experimental model of transmissible spongiform encephalopathy, with an explanation of why blood components do not transmit Creutzfeldt-Jakob disease in humans', by P. Brown, L. Cervenakova, L. M. McShane, P. Barber, R. Rubenstein, and W. N. Drohan. Includes tables and appendices