Subject(s)

Fibrosarcoma/immunology , Immunologic Surveillance , Tumor Necrosis Factor-alpha/pharmacology , Animals , Antibodies, Monoclonal , Binding Sites , Drug Resistance/immunology , Immunologic Surveillance/drug effects , Mice , Mice, Inbred BALB C , Mice, Nude , Nucleic Acid Hybridization , RNA, Messenger , Spleen/immunology , Tumor Cells, Cultured , Tumor Necrosis Factor-alpha/biosynthesis , Tumor Necrosis Factor-alpha/immunology