Institution: | (1) Laboratory of Immunobiology, National Cancer Institute, USA;(2) Program Resources, Inc./DynCorp., Frederick Cancer Research and Development Center, 21702-1201 Frederick, MD, USA;(3) Surgery Branch, National Cancer Institute, 20892 Bethesda, MD, USA;(4) MRC Clinical Oncology and Radiotherapeutics Unit, MRC Centre, Hills Road, Cambridge, UK |