TY - GEN AU - Velders,M P AU - Schreiber,H AU - Kast,W M TI - Active immunization against cancer cells: impediments and advances SN - 0093-7754 PY - 1999///0114 KW - Animals KW - Cancer Vaccines KW - immunology KW - Humans KW - Immunotherapy, Active KW - Neoplasms N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S.; Review ER -