title: Antigenic relationship between the C4 inactivating substance produced by KB cell cultures and the first component of human complement (C1).
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells; D000936:Antigen-Antibody Complex; D000951:Antigens, Neoplasm; D002277:Carcinoma; D002460:Cell Line / Q000276:immunology*; D002850:Chromatography, Gel; D003169:Complement Inactivator Proteins; D004912:Erythrocytes / Q000276:immunology; D004950:Esterases / Q000097:blood*; D006168:Guinea Pigs / Q000276:immunology; D006385:Hemagglutination Inhibition Tests; D006461:Hemolysis; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D066298:In Vitro Techniques; D009062:Mouth Neoplasms; D011817:Rabbits / Q000276:immunology; D012756:Sheep / Q000276:immunology
chemical_list: D000936:Antigen-Antibody Complex; D000951:Antigens, Neoplasm; D003169:Complement Inactivator Proteins; D007106:Immune Sera; D004950:Esterases