'ICRF Human Tumour Innunology Group, University College and Middlesex School of Medicine, 91 Riding House Street, London WIP 8BT; 2Department of Oncology and Pathology, University of Copenhagen, Rigshospitalet, 2100 Copenhagen, Denmark; 3Department of Medical Oncology, Western General Infirmary, Edinburgh EH4 2XU; 'Department of Oncology, University College and Middlesex School of Medicine, 91 ...