title: Serum factors in mammary neoplasia: enhancement and antagonism of spleen cell activity in vitro detected by different methods of serum factor assay.
mesh_terms: D000818:Animals; D000912:Antibodies, Neoplasm / Q000032:analysis; D000951:Antigens, Neoplasm / Q000032:analysis; D002452:Cell Count; D002470:Cell Survival; D046508:Culture Techniques; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D007106:Immune Sera; D008214:Lymphocytes / Q000276:immunology*; D008325:Mammary Neoplasms, Experimental / Q000276:immunology*; D051379:Mice; D008807:Mice, Inbred BALB C; D013154:Spleen / Q000166:cytology*
chemical_list: D000912:Antibodies, Neoplasm; D000951:Antigens, Neoplasm; D007106:Immune Sera